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    1,398 Products

    Hex Nuts

    The most commonly used hex nuts, these are suitable for fastening most machinery and equipment.
    Medium-Strength Steel
    Image of Product. Front orientation. Hex Nuts. Hex Nuts.
    These Grade 5 or Class 8 nuts are your go-to for fastening most machinery and equipment. To avoid stripped threads during installation, make sure your screw has a comparable strength rating.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread Size
    Wd.
    Ht.
    Fastener Strength
    Grade/Class
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    Steel
    1/4"-20
    7/16"7/32"SAE Grade 5
    ASME B18.2.210095505A60100000
    1/4"-28
    7/16"7/32"SAE Grade 5
    ASME B18.2.210095505A6110000
    5/16"-18
    1/2"17/64"SAE Grade 5
    ASME B18.2.210095505A6020000
    5/16"-24
    1/2"17/64"SAE Grade 5
    ASME B18.2.210095505A6120000
    3/8"-16
    9/16"21/64"SAE Grade 5
    ASME B18.2.210095505A60300000
    3/8"-24
    9/16"21/64"SAE Grade 5
    ASME B18.2.210095505A6130000
    7/16"-14
    11/16"3/8"SAE Grade 5
    ASME B18.2.210095505A60400000
    7/16"-20
    11/16"3/8"SAE Grade 5
    ASME B18.2.210095505A61400000
    1/2"-13
    3/4"7/16"SAE Grade 5
    ASME B18.2.25095505A60500000
    1/2"-20
    3/4"7/16"SAE Grade 5
    ASME B18.2.25095505A61500000
    9/16"-12
    7/8"31/64"SAE Grade 5
    ASME B18.2.22595505A60600000
    9/16"-18
    7/8"31/64"SAE Grade 5
    ASME B18.2.22595505A6160000
    5/8"-11
    15/16"35/64"SAE Grade 5
    ASME B18.2.22595505A60700000
    5/8"-18
    15/16"35/64"SAE Grade 5
    ASME B18.2.22595505A61700000
    3/4"-10
    1 1/8"41/64"SAE Grade 5
    ASME B18.2.22595505A60800000
    3/4"-16
    1 1/8"41/64"SAE Grade 5
    ASME B18.2.22595505A61800000
    7/8"-9
    1 5/16"3/4"SAE Grade 5
    ASME B18.2.21095505A60900000
    7/8"-14
    1 5/16"3/4"SAE Grade 5
    ASME B18.2.21095505A61900000
    1"-8
    1 1/2"55/64"SAE Grade 5
    ASME B18.2.2595505A6100000
    1"-12
    1 1/2"55/64"SAE Grade 5
    ASME B18.2.2195505A6200000
    1"-14
    1 1/2"55/64"SAE Grade 5
    ASME B18.2.2595505A6210000
    1 1/8"-7
    1 11/16"31/32"SAE Grade 5
    ASME B18.2.2595505A62200000
    1 1/8"-12
    1 11/16"31/32"SAE Grade 5
    ASME B18.2.2595505A62600000
    1 1/4"-7
    1 7/8"1 1/16"SAE Grade 5
    ASME B18.2.2595505A6230000
    1 1/4"-12
    1 7/8"1 1/16"SAE Grade 5
    ASME B18.2.2595505A62700000
    1 3/8"-6
    2 1/16"1 11/64"SAE Grade 5
    ASME B18.2.2195505A6240000
    1 3/8"-12
    2 1/16"1 11/64"SAE Grade 5
    ASME B18.2.2195505A6280000
    1 1/2"-6
    2 1/4"1 9/32"SAE Grade 5
    ASME B18.2.2195505A6250000
    1 1/2"-12
    2 1/4"1 9/32"SAE Grade 5
    ASME B18.2.2195505A6290000
    1 3/4"-5
    2 5/8"1 1/2"SAE Grade 5
    ASME B18.2.2195505A64200000
    1 3/4"-12
    2 5/8"1 1/2"SAE Grade 5
    ASME B18.2.2195505A63000000
    2"-4 1/2
    3"1 23/32"SAE Grade 5
    ASME B18.2.2195505A66100000
    2"-12
    3"1 23/32"SAE Grade 5
    ASME B18.2.2195505A63100000
    M2 × 0.4 mm4 mm1.6 mmISO Class 8
    DIN 93410090592A0750000
    M2.5 × 0.45 mm5 mm2 mmISO Class 8
    DIN 93410090592A0800000
    M3 × 0.5 mm5.5 mm2.4 mmISO Class 8
    DIN 93410090592A0850000
    M3.5 × 0.6 mm6 mm2.8 mmISO Class 8
    DIN 93410090592A10400000
    M4 × 0.7 mm7 mm3.2 mmISO Class 8
    DIN 93410090592A0900000
    M5 × 0.8 mm8 mm4 mmISO Class 8
    DIN 93410090592A0950000
    M6 × 0.75 mm10 mm5 mmISO Class 8
    DIN 93410091423A11000000
    M6 × 1 mm10 mm5 mmISO Class 8
    DIN 93410090592A0160000
    M7 × 1 mm11 mm5.5 mmISO Class 8
    DIN 93410090592A0180000
    M8 × 1 mm13 mm6.5 mmISO Class 8
    DIN 93410091423A12000000
    M8 × 1.25 mm13 mm6.5 mmISO Class 8
    DIN 93410090592A0220000
    M10 × 1 mm17 mm8 mmISO Class 8
    DIN 9345091423A14000000
    M10 × 1.25 mm17 mm8 mmISO Class 8
    DIN 9345091423A13000000
    M10 × 1.5 mm17 mm8 mmISO Class 8
    DIN 93410090592A02400000
    M12 × 1 mm19 mm10 mmISO Class 8
    DIN 9341091423A17000000
    M12 × 1.25 mm19 mm10 mmISO Class 8
    DIN 9342591423A16000000
    M12 × 1.5 mm19 mm10 mmISO Class 8
    DIN 9342591423A15000000
    M12 × 1.75 mm19 mm10 mmISO Class 8
    DIN 93410090592A02800000
    M14 × 1.25 mm22 mm11 mmISO Class 8
    DIN 934591423A19000000
    M14 × 1.5 mm22 mm11 mmISO Class 8
    DIN 9342591423A18000000
    M14 × 2 mm22 mm11 mmISO Class 8
    DIN 9342590592A03200000
    M16 × 1.5 mm24 mm13 mmISO Class 8
    DIN 9342091423A21000000
    M16 × 2 mm24 mm13 mmISO Class 8
    DIN 9342590592A03400000
    M18 × 1.5 mm27 mm15 mmISO Class 8
    DIN 9341091423A22000000
    M18 × 2.5 mm27 mm15 mmISO Class 8
    DIN 9342590592A04500000
    M20 × 1.5 mm30 mm16 mmISO Class 8
    DIN 934591423A2400000
    M20 × 2 mm30 mm16 mmISO Class 8
    DIN 934191423A2300000
    M20 × 2.5 mm30 mm16 mmISO Class 8
    DIN 9341090592A05000000
    M22 × 1.5 mm32 mm18 mmISO Class 8
    DIN 934191423A2600000
    M22 × 2 mm32 mm18 mmISO Class 8
    DIN 934191423A2500000
    M22 × 2.5 mm32 mm18 mmISO Class 8
    DIN 9341090592A10900000
    M24 × 1.5 mm36 mm19 mmISO Class 8
    DIN 934191423A2800000
    M24 × 2 mm36 mm19 mmISO Class 8
    DIN 934591423A27000000
    M24 × 3 mm36 mm19 mmISO Class 8
    DIN 9341090592A05500000
    M27 × 1.5 mm41 mm22 mmISO Class 8
    DIN 934191423A31000000
    M27 × 2 mm41 mm22 mmISO Class 8
    DIN 934191423A2900000
    M27 × 3 mm41 mm22 mmISO Class 8
    DIN 934190592A3130000
    M30 × 2 mm46 mm24 mmISO Class 8
    DIN 934191423A3200000
    M30 × 3.5 mm46 mm24 mmISO Class 8
    DIN 934590592A06500000
    M33 × 2 mm50 mm26 mmISO Class 8
    DIN 934191423A34000000
    M33 × 3 mm50 mm26 mmISO Class 8
    DIN 934191423A3300000
    M33 × 3.5 mm50 mm26 mmISO Class 8
    DIN 934190592A3410000
    M36 × 3 mm55 mm29 mmISO Class 8
    DIN 934191423A3500000
    M36 × 4 mm55 mm29 mmISO Class 8
    DIN 934190592A07000000
    M39 × 2 mm60 mm31 mmISO Class 8
    DIN 934191423A46000000
    M39 × 3 mm60 mm31 mmISO Class 8
    DIN 934191423A36000000
    M39 × 4 mm60 mm31 mmISO Class 8
    DIN 934190592A38500000
    M42 × 3 mm65 mm34 mmISO Class 8
    DIN 934191423A37000000
    M42 × 4.5 mm65 mm34 mmISO Class 8
    DIN 934190592A47200000
    M45 × 3 mm70 mm36 mmISO Class 8
    DIN 934191423A38000000
    M45 × 4.5 mm70 mm36 mmISO Class 8
    DIN 934190592A49500000
    M48 × 3 mm75 mm38 mmISO Class 8
    DIN 934191423A39000000
    M48 × 5 mm75 mm38 mmISO Class 8
    DIN 934190592A87200000
    M52 × 3 mm80 mm42 mmISO Class 8
    DIN 934191423A41000000
    M56 × 3 mm85 mm45 mmISO Class 8
    DIN 934191423A43000000
    M56 × 4 mm85 mm45 mmISO Class 8
    DIN 934191423A42000000
    M60 × 4 mm90 mm48 mmISO Class 8
    DIN 934191423A44000000
    M72 × 4 mm105 mm58 mmISO Class 8
    DIN 934191423A450000000
     
    High-Strength Steel
    Image of Product. Front orientation. Hex Nuts. Hex Nuts.
    Rated Grade 8, Grade C, or Class 10, these nuts are about 25% stronger than medium-strength steel nuts. They are commonly used to fasten components in valves, pumps, motors, and other high-stress applications. To avoid stripped threads during installation, make sure your screw has a comparable strength rating.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread Size
    Wd.
    Ht.
    Fastener Strength
    Grade/Class
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    Steel
    1/4"-20
    7/16"7/32"SAE Grade 8
    10090499A02900000
    1/4"-28
    7/16"7/32"SAE Grade 8
    10090499A8050000
    5/16"-18
    1/2"17/64"SAE Grade 8
    10090499A0300000
    5/16"-24
    1/2"17/64"SAE Grade 8
    10090499A8100000
    3/8"-16
    9/16"21/64"SAE Grade 8
    10090499A03100000
    3/8"-24
    9/16"21/64"SAE Grade 8
    10090499A81500000
    7/16"-14
    11/16"3/8"SAE Grade 8
    10090499A03200000
    7/16"-20
    11/16"3/8"SAE Grade 8
    10090499A82000000
    1/2"-13
    3/4"7/16"SAE Grade 8
    5090499A03300000
    1/2"-20
    3/4"7/16"SAE Grade 8
    5090499A82500000
    9/16"-12
    7/8"31/64"SAE Grade 8
    5090499A82700000
    9/16"-18
    7/8"31/64"SAE Grade 8
    5090499A83000000
    5/8"-11
    15/16"35/64"SAE Grade 8
    5090499A83200000
    5/8"-18
    15/16"35/64"SAE Grade 8
    2590499A83500000
    3/4"-10
    1 1/8"41/64"SAE Grade 8
    2590499A83700000
    3/4"-16
    1 1/8"41/64"SAE Grade 8
    1090499A8400000
    7/8"-9
    1 5/16"3/4"SAE Grade 8
    1090499A84200000
    7/8"-14
    1 5/16"3/4"SAE Grade 8
    1090499A84500000
    1"-12
    1 1/2"55/64"SAE Grade 8
    190499A8500000
    1"-14
    1 1/2"55/64"SAE Grade 8
    1090499A85500000
    1 1/8"-7
    1 11/16"31/32"SAE Grade 8
    590499A85700000
    1 1/8"-12
    1 11/16"31/32"SAE Grade 8
    590499A85800000
    1 1/4"-7
    1 7/8"1 1/16"SAE Grade 8
    590499A85900000
    1 1/4"-12
    1 7/8"1 1/16"SAE Grade 8
    590499A86000000
    1 3/8"-6
    2 1/16"1 11/64"SAE Grade 8
    190499A0420000
    1 3/8"-12
    2 1/16"1 11/64"SAE Grade 8
    190499A8630000
    1 1/2"-6
    2 1/4"1 9/32"SAE Grade 8
    190499A0410000
    1 1/2"-12
    2 1/4"1 9/32"SAE Grade 8
    190499A8650000
    1 3/4"-5
    2 5/8"1 1/2"SAE Grade 8
    190499A04400000
    1 3/4"-12
    2 5/8"1 1/2"SAE Grade 8
    190499A86800000
    2"-4 1/2
    3"1 23/32"SAE Grade 8
    190499A04500000
    2"-12
    3"1 23/32"SAE Grade 8
    190499A87000000
    M3 × 0.5 mm5.5 mm2.4 mmISO Class 10
    DIN 9342590685A03700000
    M4 × 0.7 mm7 mm3.2 mmISO Class 10
    DIN 93410090685A0390000
    M5 × 0.8 mm8 mm4 mmISO Class 10
    DIN 93410090685A0410000
    M6 × 1 mm10 mm5 mmISO Class 10
    DIN 93410090685A04300000
    M8 × 1 mm13 mm6.5 mmISO Class 10
    DIN 934504379N11100000
    M8 × 1.25 mm13 mm6.5 mmISO Class 10
    DIN 93410090685A04500000
    M10 × 1 mm17 mm8 mmISO Class 10
    DIN 934104379N1120000
    M10 × 1.25 mm17 mm8 mmISO Class 10
    DIN 934104379N1130000
    M10 × 1.5 mm17 mm8 mmISO Class 10
    DIN 9345090685A04600000
    M12 × 1 mm19 mm10 mmISO Class 10
    DIN 934104379N11400000
    M12 × 1.25 mm19 mm10 mmISO Class 10
    DIN 934254379N11500000
    M12 × 1.5 mm19 mm10 mmISO Class 10
    DIN 934104379N1160000
    M12 × 1.75 mm19 mm10 mmISO Class 10
    DIN 9342590685A11000000
    M14 × 1.5 mm22 mm11 mmISO Class 10
    DIN 934104379N1170000
    M14 × 2 mm22 mm11 mmISO Class 10
    DIN 9342590685A11500000
    M16 × 1.5 mm24 mm13 mmISO Class 10
    DIN 934104379N11800000
    M16 × 2 mm24 mm13 mmISO Class 10
    DIN 9341090685A12000000
    M18 × 1.5 mm27 mm15 mmISO Class 10
    DIN 93454379N1190000
    M18 × 2.5 mm27 mm15 mmISO Class 10
    DIN 9341090685A12500000
    M20 × 1.5 mm30 mm16 mmISO Class 10
    DIN 93454379N120000
    M20 × 2 mm30 mm16 mmISO Class 10
    DIN 93454379N12100000
    M20 × 2.5 mm30 mm16 mmISO Class 10
    DIN 9341090685A13000000
    M22 × 1.5 mm32 mm18 mmISO Class 10
    DIN 93414379N1220000
    M22 × 2.5 mm32 mm18 mmISO Class 10
    DIN 934590685A10100000
    M24 × 1.5 mm36 mm19 mmISO Class 10
    DIN 93414379N1230000
    M24 × 2 mm36 mm19 mmISO Class 10
    DIN 93414379N1240000
    M24 × 3 mm36 mm19 mmISO Class 10
    DIN 934590685A06000000
    M27 × 2 mm41 mm22 mmISO Class 10
    DIN 93414379N1250000
    M27 × 3 mm41 mm22 mmISO Class 10
    DIN 934590685A10200000
    M30 × 1.5 mm46 mm24 mmISO Class 10
    DIN 93414379N12600000
    M30 × 2 mm49 mm24 mmISO Class 10
    DIN 93414379N12700000
    M30 × 3.5 mm46 mm24 mmISO Class 10
    DIN 934190685A0700000
    M36 × 2 mm55 mm29 mmISO Class 10
    DIN 93414379N12800000
    M36 × 4 mm55 mm29 mmISO Class 10
    DIN 934190685A08000000
    M42 × 4.5 mm65 mm34 mmISO Class 10
    DIN 934190685A10300000
    M48 × 5 mm75 mm38 mmISO Class 10
    DIN 934190685A10400000
     
    High-Strength Steel with Material Certificate
    Image of Product. Front orientation. Hex Nuts. Hex Nuts.
    Nuts include a report with a traceable lot number and a description of their chemical and physical properties. Rated Grade 8, Grade C, or Class 10, these nuts are about 25% stronger than medium-strength steel nuts. They are commonly used to fasten components in valves, pumps, motors, and other high-stress applications. To avoid stripped threads during installation, make sure your screw has a comparable strength rating.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
    Thread
    Size
    Wd.
    Ht.
    Fastener Strength
    Grade/Class
    Pkg.
    Qty.
    Pkg.
    Steel
    1"-8
    1 1/2"55/64"SAE Grade 8
    1090499A847000000
     
    Extreme-Strength Steel
    Image of Product. Front orientation. Hex Nuts. Hex Nuts.
    These nuts are about 20% stronger than high-strength steel nuts. To avoid stripped threads during installation, make sure your screw has a comparable strength rating.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread Size
    Wd.,
    mm
    Ht.,
    mm
    Fastener Strength
    Grade/Class
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    Steel
    M6 × 1 mm105ISO Class 12
    DIN 9345094223A101000000
    M8 × 1.25 mm136.5ISO Class 12
    DIN 9342594223A10200000
    M10 × 1.5 mm178ISO Class 12
    DIN 9341094223A1030000
    M12 × 1.75 mm1910ISO Class 12
    DIN 9341094223A10400000
    M14 × 2 mm2211ISO Class 12
    DIN 934194223A1090000
    M16 × 2 mm2413ISO Class 12
    DIN 934594223A10500000
    M18 × 2.5 mm2715ISO Class 12
    DIN 934194223A1100000
    M20 × 2.5 mm3016ISO Class 12
    DIN 934594223A10600000
    M24 × 3 mm3619ISO Class 12
    DIN 934194223A1070000
    M27 × 3 mm4122ISO Class 12
    DIN 934194223A11100000
    M30 × 3.5 mm4624ISO Class 12
    DIN 934194223A10800000
    M33 × 3.5 mm5026ISO Class 12
    DIN 934194223A11200000
    M36 × 4 mm5529ISO Class 12
    DIN 934194223A11300000
    M39 × 4 mm6031ISO Class 12
    DIN 934194223A11400000
    M42 × 4.5 mm6534ISO Class 12
    DIN 934194223A11500000
    M45 × 4.5 mm7036ISO Class 12
    DIN 934194223A11600000
    M48 × 5 mm7538ISO Class 12
    DIN 934194223A11700000
     
    Low-Strength Steel
    Image of Product. Front orientation. Hex Nuts. Hex Nuts.
    Rated Grade 2, Class 6, or lower, these nuts are about half as strong as medium-strength nuts. They are suitable for light duty fastening applications, such as securing access panels. Use them with screws that have a similar strength rating to avoid stripping threads during installation.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread Size
    Wd.
    Ht.
    Fastener Strength
    Grade/Class
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    Steel
    1/4"-20
    7/16"7/32"SAE Grade 2
    ASME B18.2.210090490A02900000
    1/4"-28
    7/16"7/32"SAE Grade 2
    ASME B18.2.210090490A2050000
    5/16"-18
    1/2"17/64"SAE Grade 2
    ASME B18.2.210090490A0300000
    5/16"-24
    1/2"17/64"SAE Grade 2
    ASME B18.2.210090490A2100000
    3/8"-16
    9/16"21/64"SAE Grade 2
    ASME B18.2.210090490A03100000
    3/8"-24
    9/16"21/64"SAE Grade 2
    ASME B18.2.210090490A21500000
    7/16"-14
    11/16"3/8"SAE Grade 2
    ASME B18.2.210090490A03200000
    7/16"-20
    11/16"3/8"SAE Grade 2
    ASME B18.2.210090490A22000000
    1/2"-13
    3/4"7/16"SAE Grade 2
    ASME B18.2.210090490A03300000
    1/2"-20
    3/4"7/16"SAE Grade 2
    ASME B18.2.210090490A22500000
    9/16"-12
    7/8"31/64"SAE Grade 2
    ASME B18.2.25090490A03400000
    9/16"-18
    7/8"31/64"SAE Grade 2
    ASME B18.2.25090490A23000000
    5/8"-11
    15/16"35/64"SAE Grade 2
    ASME B18.2.25090490A03500000
    5/8"-18
    15/16"35/64"SAE Grade 2
    ASME B18.2.25090490A23500000
    3/4"-10
    1 1/8"41/64"SAE Grade 2
    ASME B18.2.22590490A43600000
    3/4"-16
    1 1/8"41/64"SAE Grade 2
    ASME B18.2.22590490A24000000
    7/8"-9
    1 5/16"3/4"SAE Grade 2
    ASME B18.2.22590490A03700000
    7/8"-14
    1 5/16"3/4"SAE Grade 2
    ASME B18.2.21090490A24500000
    1"-8
    1 1/2"55/64"SAE Grade 2
    ASME B18.2.21090490A43800000
    1"-12
    1 1/2"55/64"SAE Grade 2
    ASME B18.2.21090490A25000000
    1"-14
    1 1/2"55/64"SAE Grade 2
    ASME B18.2.21090490A25500000
    1 1/8"-7
    1 11/16"31/32"SAE Grade 2
    ASME B18.2.21090490A43900000
    1 1/8"-12
    1 11/16"31/32"SAE Grade 2
    ASME B18.2.21090490A25800000
    1 1/4"-7
    1 7/8"1 1/16"SAE Grade 2
    ASME B18.2.2590490A44000000
    1 1/4"-12
    1 7/8"1 1/16"SAE Grade 2
    ASME B18.2.2590490A26000000
    1 3/8"-6
    2 1/16"1 11/64"SAE Grade 2
    ASME B18.2.2190490A4420000
    1 3/8"-12
    2 1/16"1 11/64"SAE Grade 2
    ASME B18.2.2190490A2630000
    1 1/2"-6
    2 1/4"1 9/32"SAE Grade 2
    ASME B18.2.2190490A4410000
    1 1/2"-12
    2 1/4"1 9/32"SAE Grade 2
    ASME B18.2.2190490A2650000
    1 5/8"-5 1/2
    2 7/16"1 25/64"SAE Grade 2
    ASME B18.2.2190490A0610000
    1 5/8"-12
    2 7/16"1 25/64"SAE Grade 2
    ASME B18.2.2190490A2660000
    1 3/4"-5
    2 5/8"1 1/2"SAE Grade 2
    ASME B18.2.2190490A04400000
    1 3/4"-12
    2 5/8"1 1/2"SAE Grade 2
    ASME B18.2.2190490A2680000
    1 7/8"-5
    2 13/16"1 39/64"SAE Grade 2
    ASME B18.2.2190490A06500000
    1 7/8"-12
    2 13/16"1 39/64"SAE Grade 2
    ASME B18.2.2190490A26900000
    2"-12
    3"1 23/32"SAE Grade 2
    ASME B18.2.2190490A27000000
    2 1/4"-4 1/2
    3 3/8"1 15/16"SAE Grade 2
    ASME B18.2.2190490A04800000
    2 1/4"-12
    3 3/8"1 15/16"SAE Grade 2
    ASME B18.2.2190490A27300000
    2 1/2"-4
    3 3/4"2 5/32"SAE Grade 2
    ASME B18.2.2190490A05100000
    2 1/2"-12
    3 3/4"2 5/32"SAE Grade 2
    ASME B18.2.2190490A27500000
    2 3/4"-4
    4 1/8"2 3/8"SAE Grade 2
    ASME B18.2.2190490A05300000
    3"-4
    4 1/2"2 19/32"SAE Grade 2
    ASME B18.2.2190490A05500000
    3"-12
    4 1/2"2 19/32"SAE Grade 2
    ASME B18.2.2190490A280000000
    3 1/2"-4
    5 3/8"3 1/2"SAE Grade 2
    ASME B18.2.2190490A310000000
    M2 × 0.4 mm4 mm1.6 mmDIN 93410090592A0040000
    M2.5 × 0.45 mm5 mm2 mmDIN 93410090592A0060000
    M2.6 × 0.45 mm5 mm2 mmDIN 93410090592A0080000
    M3 × 0.5 mm5.5 mm2.4 mmDIN 93410090592A0090000
    M3.5 × 0.6 mm6 mm2.8 mmDIN 93410090592A0100000
    M4 × 0.7 mm7 mm3.2 mmDIN 93410090592A0110000
    M5 × 0.8 mm8 mm4 mmDIN 93410090592A0120000
    M8 × 1.25 mm13 mm6.5 mmDIN 934195505A7110000
    M10 × 1.5 mm17 mm8 mmDIN 934195505A7120000
    M12 × 1.75 mm19 mm10 mmDIN 934195505A7130000
    M14 × 2 mm22 mm11 mmDIN 934195505A7140000
    M16 × 2 mm24 mm13 mmDIN 934195505A71500000
    M20 × 2.5 mm30 mm16 mmDIN 934195505A71600000
    M24 × 3 mm36 mm19 mmDIN 934195505A71700000
     
    Corrosion-Resistant Stainless Steel
    Image of Product. Front orientation. Hex Nuts. Hex Nuts.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these nuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Super-Corrosion-Resistant 316 Stainless Steel—Superior to 18-8 stainless steel, these nuts won't degrade when exposed to harsh weather, salt water, and most chemicals.
    Thread Size
    Wd.
    Ht.
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    0000-160
    1/16"1/32"190001A201000000
    000-120
    5/64"1/32"590001A30200000
    00-90
    5/64"3/64"590001A40300000
    0-80
    5/32"3/64"10091841A1150000
    1-64
    5/32"3/64"10091841A0380000
    1-72
    5/32"3/64"10091841A1250000
    2-56
    3/16"1/16"10091841A0030000
    2-64
    3/16"1/16"10091841A1350000
    3-48
    3/16"1/16"10091841A0040000
    3-56
    3/16"1/16"10091841A1450000
    4-40
    1/4"3/32"10091841A0050000
    4-48
    1/4"3/32"10091841A1550000
    5-40
    5/16"7/64"10091841A0060000
    5-44
    5/16"7/64"10091841A1650000
    6-32
    5/16"7/64"10091841A0070000
    6-40
    5/16"7/64"10091841A1750000
    8-32
    11/32"1/8"10091841A0090000
    8-36
    11/32"1/8"10091841A18500000
    10-24
    3/8"1/8"10091841A0110000
    10-32
    3/8"1/8"10091841A1950000
    12-24
    7/16"5/32"10091841A0130000
    12-28
    7/16"5/32"10091841A20500000
    1/4"-20
    7/16"3/16"10091841A0290000
    1/4"-20
    7/16"7/32"10091845A0290000
    1/4"-20
    7/16"7/32"ASTM F5945092673A1130000
    1/4"-28
    7/16"3/16"10091841A21500000
    1/4"-28
    7/16"7/32"10091845A1050000
    1/4"-28
    7/16"7/32"ASTM F5945092673A1160000
    1/4"-32
    7/16"7/32"195621A1000000
    5/16"-18
    1/2"17/64"10091845A0300000
    5/16"-18
    1/2"17/64"ASTM F5945092673A1190000
    5/16"-18
    9/16"7/32"5091841A0300000
    5/16"-24
    1/2"17/64"10091845A1150000
    5/16"-24
    1/2"17/64"ASTM F5945092673A1220000
    5/16"-32
    1/2"17/64"195621A2000000
    3/8"-16
    9/16"21/64"10091845A0310000
    3/8"-16
    9/16"21/64"ASTM F5942592673A1250000
    3/8"-16
    5/8"1/4"2591841A0350000
    3/8"-24
    9/16"21/64"5091845A1250000
    3/8"-24
    9/16"21/64"ASTM F5942592673A1280000
    3/8"-32
    9/16"21/64"195621A3000000
    7/16"-14
    11/16"3/8"5091845A3000000
    7/16"-14
    11/16"3/8"ASTM F5941092673A1310000
    7/16"-20
    11/16"3/8"5091845A1350000
    7/16"-20
    11/16"3/8"ASTM F5941092673A1340000
    7/16"-28
    11/16"3/8"195621A4000000
    1/2"-13
    3/4"7/16"2591845A3100000
    1/2"-13
    3/4"7/16"ASTM F5941092673A1370000
    1/2"-20
    3/4"7/16"2591845A1450000
    1/2"-20
    3/4"7/16"ASTM F5941092673A1410000
    1/2"-28
    3/4"7/16"191845A34000000
    9/16"-12
    7/8"31/64"1091845A3150000
    9/16"-12
    7/8"31/64"ASTM F5941092673A1990000
    9/16"-18
    7/8"31/64"1091845A3200000
    5/8"-11
    15/16"35/64"1091845A3250000
    5/8"-11
    15/16"35/64"ASTM F594592673A1440000
    5/8"-18
    15/16"35/64"1091845A1650000
    5/8"-18
    15/16"35/64"ASTM F594592673A1550000
    5/8"-24
    15/16"35/64"191845A34500000
    3/4"-10
    1 1/8"41/64"1091845A3300000
    3/4"-10
    1 1/8"41/64"ASTM F594592673A1470000
    3/4"-16
    1 1/8"41/64"591845A1750000
    3/4"-16
    1 1/8"41/64"ASTM F594592673A1570000
    3/4"-20
    1 1/8"41/64"191845A35000000
    7/8"-9
    1 5/16"3/4"591845A3350000
    7/8"-9
    1 5/16"3/4"ASTM F594192673A1500000
    7/8"-14
    1 5/16"3/4"591845A1850000
    7/8"-14
    1 5/16"3/4"ASTM F594192673A2960000
    7/8"-20
    1 5/16"3/4"191845A35500000
    1"-8
    1 1/2"55/64"591845A0380000
    1"-8
    1 1/2"55/64"ASTM F594192673A1530000
    1"-12
    1 1/2"55/64"191845A2030000
    1"-12
    1 1/2"55/64"ASTM F594192673A3310000
    1"-14
    1 1/2"55/64"191845A2050000
    1"-14
    1 1/2"55/64"ASTM F594192673A3730000
    1 1/8"-7
    1 11/16"31/32"191845A0390000
    1 1/8"-7
    1 11/16"31/32"ASTM F594192673A3820000
    1 1/8"-12
    1 11/16"31/32"191845A2150000
    1 1/4"-7
    1 7/8"1 1/16"191845A0400000
    1 1/4"-7
    1 7/8"1 1/16"ASTM F594192673A4380000
    1 1/4"-12
    1 7/8"1 1/16"191845A2350000
    1 3/8"-6
    2 1/16"1 11/64"191845A0420000
    1 1/2"-6
    2 1/4"1 9/32"191845A0410000
    1 1/2"-6
    2 1/4"1 9/32"ASTM F594192673A85700000
    1 1/2"-12
    2 1/4"1 9/32"191845A2650000
    1 3/4"-5
    2 5/8"1 1/2"191845A04400000
    2"-4 1/2
    3"1 23/32"191845A04500000
    M1 × 0.25 mm2.5 mm0.8 mmDIN 934591828A00300000
    M1.2 × 0.25 mm3 mm1 mmDIN 934591828A0040000
    M1.4 × 0.3 mm3 mm1.2 mmDIN 934191828A0050000
    M1.6 × 0.35 mm3.2 mm1.3 mmDIN 9342591828A00600000
    M2 × 0.4 mm4 mm1.6 mmDIN 93410091828A1110000
    M2.5 × 0.45 mm5 mm2 mmDIN 93410091828A1130000
    M3 × 0.5 mm5.5 mm2.4 mmDIN 93410091828A2110000
    M3.5 × 0.6 mm6 mm2.8 mmDIN 93410091828A2200000
    M4 × 0.7 mm7 mm3.2 mmDIN 93410091828A2310000
    M5 × 0.8 mm8 mm4 mmDIN 93410091828A2410000
    M6 × 1 mm10 mm5 mmDIN 93410091828A25100000
    M7 × 1 mm11 mm5.5 mmDIN 9342591828A2550000
    M8 × 1 mm13 mm6.5 mmDIN 9341093850A3200000
    M8 × 1.25 mm13 mm6.5 mmDIN 9345091828A41000000
    M10 × 1 mm17 mm8 mmDIN 9341093850A33000000
    M10 × 1.25 mm17 mm8 mmDIN 934593850A33500000
    M10 × 1.5 mm17 mm8 mmDIN 9342591828A41500000
    M12 × 1 mm19 mm10 mmDIN 934593850A40500000
    M12 × 1.25 mm19 mm10 mmDIN 934593850A33700000
    M12 × 1.5 mm19 mm10 mmDIN 934593850A34000000
    M12 × 1.75 mm19 mm10 mmDIN 9342591828A42000000
    M14 × 1.5 mm22 mm11 mmDIN 934193850A3500000
    M14 × 2 mm22 mm11 mmDIN 9341091828A42500000
    M16 × 1.5 mm24 mm13 mmDIN 934193850A3600000
    M16 × 2 mm24 mm13 mmDIN 9341091828A43000000
    M18 × 1.5 mm27 mm15 mmDIN 934193850A3650000
    M18 × 2.5 mm27 mm15 mmDIN 934591828A43500000
    M20 × 1.5 mm30 mm16 mmDIN 934193850A3700000
    M20 × 2 mm30 mm14.3 mmDIN 934193850A13500000
    M20 × 2.5 mm30 mm16 mmDIN 934591828A44000000
    M22 × 1.5 mm32 mm18 mmDIN 934193850A3750000
    M22 × 2.5 mm32 mm18 mmDIN 934191828A4420000
    M24 × 1.5 mm36 mm19 mmDIN 934193850A3800000
    M24 × 2 mm36 mm19 mmDIN 934193850A41000000
    M24 × 3 mm36 mm19 mmDIN 934191828A3160000
    M27 × 2 mm41 mm20.7 mmDIN 934193850A13600000
    M27 × 3 mm41 mm22 mmDIN 934191828A3180000
    M30 × 1.5 mm46 mm24 mmDIN 934193850A39000000
    M30 × 2 mm46 mm22.7 mmDIN 934193850A13700000
    M30 × 3.5 mm46 mm24 mmDIN 934191828A44500000
    M33 × 1.5 mm50 mm24.7 mmDIN 934193850A14100000
    M33 × 3.5 mm50 mm24.7 mmDIN 934191828A11200000
    M36 × 1.5 mm55 mm29 mmDIN 934193850A40000000
    M36 × 3 mm55 mm27.4 mmDIN 934193850A14200000
    M36 × 4 mm55 mm29 mmDIN 934191828A45000000
    M42 × 4.5 mm65 mm34 mmDIN 934191828A46500000
    M48 × 5 mm75 mm38 mmDIN 934191828A48000000
     
    Super-Corrosion-Resistant 316 Stainless Steel
    4-40
    1/4"3/32"10090257A0050000
    6-32
    5/16"7/64"10090257A0070000
    8-32
    11/32"1/8"10090257A0090000
    10-24
    3/8"1/8"10090257A0110000
    10-32
    3/8"1/8"10090257A4110000
    12-24
    7/16"5/32"5090257A0380000
    1/4"-20
    7/16"3/16"2590257A0290000
    1/4"-20
    7/16"7/32"10094804A0290000
    1/4"-20
    7/16"7/32"ASTM F5945094819A0430000
    1/4"-28
    7/16"7/32"5094804A3050000
    1/4"-28
    7/16"7/32"ASTM F5945094819A1000000
    5/16"-18
    1/2"17/64"5094804A0300000
    5/16"-18
    1/2"17/64"ASTM F5942594819A0460000
    5/16"-24
    1/2"17/64"5094804A3150000
    5/16"-24
    1/2"17/64"ASTM F5942594819A1150000
    3/8"-16
    9/16"21/64"5094804A3200000
    3/8"-16
    9/16"21/64"ASTM F5942594819A0490000
    3/8"-16
    5/8"1/4"1090257A0630000
    3/8"-24
    9/16"21/64"2594804A3250000
    3/8"-24
    9/16"21/64"ASTM F5942594819A1340000
    7/16"-14
    11/16"3/8"2594804A3300000
    7/16"-14
    11/16"3/8"ASTM F5941094819A0520000
    7/16"-20
    11/16"3/8"1094804A3350000
    7/16"-20
    11/16"3/8"ASTM F5941094819A1480000
    1/2"-13
    3/4"7/16"1094804A3400000
    1/2"-13
    3/4"7/16"ASTM F594594819A0550000
    1/2"-20
    3/4"7/16"1094804A3450000
    1/2"-20
    3/4"7/16"ASTM F594594819A1490000
    9/16"-12
    7/8"31/64"594804A3480000
    9/16"-12
    7/8"31/64"ASTM F594594819A1560000
    9/16"-18
    7/8"31/64"594804A3490000
    5/8"-11
    15/16"35/64"1094804A3510000
    5/8"-11
    15/16"35/64"ASTM F594594819A0580000
    5/8"-18
    15/16"35/64"594804A3550000
    5/8"-18
    15/16"35/64"ASTM F594594819A1720000
    3/4"-10
    1 1/8"41/64"594804A3600000
    3/4"-10
    1 1/8"41/64"ASTM F594194819A0610000
    3/4"-16
    1 1/8"41/64"594804A3650000
    3/4"-16
    1 1/8"41/64"ASTM F594194819A1800000
    7/8"-9
    1 5/16"3/4"194804A3700000
    7/8"-9
    1 5/16"3/4"ASTM F594194819A0640000
    7/8"-14
    1 5/16"3/4"194804A3750000
    7/8"-14
    1 5/16"3/4"ASTM F594194819A2390000
    1"-8
    1 1/2"55/64"194804A0380000
    1"-8
    1 1/2"55/64"ASTM F594194819A0670000
    1"-12
    1 1/2"55/64"194804A1520000
    1"-12
    1 1/2"55/64"ASTM F594194819A30400000
    1"-14
    1 1/2"55/64"194804A1560000
    1"-14
    1 1/2"55/64"ASTM F594194819A4080000
    1 1/8"-7
    1 11/16"31/32"194804A0390000
    1 1/8"-7
    1 11/16"31/32"ASTM F594194819A4090000
    1 1/4"-7
    1 7/8"1 1/16"194804A0400000
    1 1/4"-7
    1 7/8"1 1/16"ASTM F594194819A42500000
    1 3/8"-6
    2 1/16"1 11/64"194804A1690000
    1 1/2"-6
    2 1/4"1 9/32"194804A0410000
    1 1/2"-6
    2 1/4"1 9/32"ASTM F594194819A85400000
    1 3/4"-5
    2 5/8"1 1/2"194804A05500000
    2"-4 1/2
    3"1 23/32"194804A06500000
    M1 × 0.25 mm2.5 mm0.8 mmDIN 934194150A1120000
    M1.2 × 0.25 mm3 mm1 mmDIN 934594150A11300000
    M1.4 × 0.3 mm3 mm1.2 mmDIN 934594150A11400000
    M1.6 × 0.35 mm3.2 mm1.3 mmDIN 9341094150A1150000
    M2 × 0.4 mm4 mm1.6 mmDIN 9345094150A3050000
    M2.5 × 0.45 mm5 mm2 mmDIN 9345094150A3100000
    M3 × 0.5 mm5.5 mm2.4 mmDIN 9345094150A3250000
    M3.5 × 0.6 mm6 mm2.8 mmDIN 9345094150A3300000
    M4 × 0.7 mm7 mm3.2 mmDIN 9345094150A3350000
    M5 × 0.8 mm8 mm4 mmDIN 9345094150A3400000
    M6 × 1 mm10 mm5 mmDIN 9345094150A34500000
    M7 × 1 mm11 mm5.5 mmDIN 9342594150A11600000
    M8 × 1.25 mm13 mm6.5 mmDIN 9345094150A35500000
    M10 × 1.5 mm17 mm8 mmDIN 9341094150A35800000
    M12 × 1.75 mm19 mm10 mmDIN 934594150A3600000
    M14 × 2 mm22 mm11 mmDIN 934594150A36300000
    M16 × 2 mm24 mm13 mmDIN 934594150A36500000
    M18 × 2.5 mm27 mm15 mmDIN 934194150A3680000
    M20 × 2.5 mm30 mm16 mmDIN 934194150A3700000
    M22 × 2.5 mm32 mm18 mmDIN 934194150A3720000
    M24 × 3 mm36 mm19 mmDIN 934194150A3730000
    M27 × 3 mm41 mm20.7 mmDIN 934194150A1110000
    M30 × 3.5 mm46 mm24 mmDIN 934194150A37600000
    M33 × 3.5 mm50 mm26 mmDIN 934194150A11700000
    M36 × 4 mm55 mm29 mmDIN 934194150A37900000
    M39 × 4 mm60 mm31 mmDIN 934194150A11800000
    M42 × 4.5 mm65 mm34 mmDIN 934194150A38900000
    M48 × 5 mm75 mm38 mmDIN 934194150A39700000
     
    Corrosion-Resistant Stainless Steel with Material Certificate
    Image of Product. Front orientation. Hex Nuts. Hex Nuts.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these nuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
    Thread
    Size
    Wd.
    Ht.
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    11/16"-24
    1"27/64"195621A700000000
     
    Low-Strength Steel with Material Certificate
    Image of Product. Front orientation. Hex Nuts. Hex Nuts.
    Rated Grade 2, Class 6, or lower, these nuts are about half as strong as medium-strength nuts. They are suitable for light duty fastening applications, such as securing access panels. Use them with screws that have a similar strength rating to avoid stripping threads during installation.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
    Thread Size
    Wd.,
    mm
    Ht.,
    mm
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    Steel
    M30 × 3.5 mm4624DIN 934195505A718000000
    M36 × 4 mm5529DIN 934195505A71900000
    M42 × 4.5 mm6534DIN 934195505A72100000
    M48 × 5 mm7538DIN 934195505A72200000
     

    Mil. Spec. Hex Nuts

    These nuts are manufactured and tested to strict U.S. military standards for material and construction.
    Low-Strength Steel
    Image of Product. Front orientation. Hex Nuts. Mil. Spec. Hex Nuts.
    Rated Grade 2, Class 6, or lower, these nuts are about half as strong as medium-strength nuts. They are suitable for light duty fastening applications, such as securing access panels. Use them with screws that have a similar strength rating to avoid stripping threads during installation.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread
    Size
    Wd.
    Ht.
    Mil. Spec.
    Fastener Strength
    Grade/Class
    Pkg.
    Qty.
    Pkg.
    Steel
    2"-4 1/2
    3"1 23/32"MIL-DTL-1222SAE Grade 2
    190490A046000000
     
    Corrosion-Resistant Stainless Steel
    Image of Product. Front orientation. Hex Nuts. Mil. Spec. Hex Nuts.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these nuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Thread
    Size
    Wd.
    Ht.
    Mil. Spec.
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    0-80
    5/32"3/64"MS35650-314Fed. Spec. FF-N-836, Fed. Spec. QQ-P-35
    591240A00100000
    4-40
    1/4"3/32"MS35649-244Fed. Spec. FF-N-836, Fed. Spec. QQ-P-35
    2591240A00500000
    6-32
    5/16"7/64"MS35649-264Fed. Spec. FF-N-836, Fed. Spec. QQ-P-35
    2591240A00700000
    8-32
    11/32"1/8"MS35649-284Fed. Spec. FF-N-836, Fed. Spec. QQ-P-35
    1091240A0090000
    10-24
    3/8"1/8"MS35649-204Fed. Spec. FF-N-836, Fed. Spec. QQ-P-35
    1091240A0110000
    10-32
    3/8"1/8"MS35650-304Fed. Spec. FF-N-836, Fed. Spec. QQ-P-35
    1091240A4110000
    1/4"-20
    7/16"3/16"MS35649-2254Fed. Spec. FF-N-836, Fed. Spec. QQ-P-35
    1091240A0290000
    1/4"-28
    7/16"3/16"MS35650-3254Fed. Spec. FF-N-836, Fed. Spec. QQ-P-35
    591240A0780000
    1/4"-28
    7/16"7/32"MS51972-1Fed. Spec. FF-N-836, Fed. Spec. QQ-P-35
    1090762A1150000
    5/16"-18
    1/2"17/64"MS51971-2Fed. Spec. FF-N-836, Fed. Spec. QQ-P-35
    1090762A1180000
    5/16"-18
    9/16"7/32"MS35649-2314Fed. Spec. FF-N-836, Fed. Spec. QQ-P-35
    591240A0300000
    5/16"-24
    1/2"17/64"MS51972-2Fed. Spec. FF-N-836, Fed. Spec. QQ-P-35
    590762A1230000
    5/16"-24
    9/16"7/32"MS35650-3314Fed. Spec. FF-N-836, Fed. Spec. QQ-P-35
    191240A5110000
    3/8"-16
    9/16"21/64"MS51971-3Fed. Spec. FF-N-836, Fed. Spec. QQ-P-35
    590762A1270000
    3/8"-16
    5/8"1/4"MS35649-2384Fed. Spec. FF-N-836, Fed. Spec. QQ-P-35
    591240A0310000
    3/8"-24
    9/16"21/64"MS51972-3Fed. Spec. FF-N-836, Fed. Spec. QQ-P-35
    590762A1320000
    3/8"-24
    5/8"1/4"MS35650-3384Fed. Spec. FF-N-836, Fed. Spec. QQ-P-35
    191240A5120000
    1/2"-13
    3/4"7/16"MS51971-5Fed. Spec. FF-N-836, Fed. Spec. QQ-P-35
    190762A1360000
    1/2"-20
    3/4"7/16"MS51972-5Fed. Spec. FF-N-836, Fed. Spec. QQ-P-35
    190762A1390000
    5/8"-11
    15/16"35/64"MS51971-7Fed. Spec. FF-N-836, Fed. Spec. QQ-P-35
    190762A1440000
    3/4"-10
    1 1/8"41/64"MS51971-8Fed. Spec. FF-N-836, Fed. Spec. QQ-P-35
    190762A1470000
     
    Corrosion-Resistant Stainless Steel with Material Certificate
    Image of Product. Front orientation. Hex Nuts. Mil. Spec. Hex Nuts.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these nuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
    Thread
    Size
    Wd.
    Ht.
    Mil. Spec.
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    2-56
    3/16"1/16"MS35649-224Fed. Spec. FF-N-836, Fed. Spec. QQ-P-35
    2591240A003000000
    1/4"-20
    7/16"7/32"MS51971-1Fed. Spec. FF-N-836, Fed. Spec. QQ-P-35
    1090762A1120000
     

    Hex Nuts for High-Pressure Applications

    These nuts are hardened, so they maintain their strength under high pressure and temperature. Pair them with ASTM A193 screws to fasten critical components, such as valves and flanges, in pressure tanks, boilers, and heat exchangers.
    Corrosion-Resistant Stainless Steel
    Image of Product. Front orientation. Hex Nuts. Hex Nuts for High-Pressure Applications.
    Super-Corrosion-Resistant 316 Stainless Steel—Superior to 18-8 stainless steel, these nuts won't degrade when exposed to harsh weather, salt water, and most chemicals.
    Thread
    Size
    Wd.
    Ht.
    Fastener Strength
    Grade/Class
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    Super-Corrosion-Resistant 316 Stainless Steel
    5/16"-18
    1/2"17/64"ASTM Grade 8M
    ASTM A194
    595005A125000000
    3/8"-16
    9/16"21/64"ASTM Grade 8M
    ASTM A194
    195005A1300000
    1/2"-13
    3/4"7/16"ASTM Grade 8M
    ASTM A194
    195005A1350000
    5/8"-11
    15/16"35/64"ASTM Grade 8M
    ASTM A194
    195005A1400000
    3/4"-10
    1 1/8"41/64"ASTM Grade 8M
    ASTM A194
    195005A14500000
    1"-8
    1 1/2"55/64"ASTM Grade 8M
    ASTM A194
    195005A15000000
     

    JIS Hex Nuts

    Fasten parts and components that are made to Japanese Industrial Standards.
    Corrosion-Resistant Stainless Steel
    Image of Product. Front orientation. Hex Nuts. Standard Profile.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these nuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Thread Size
    Wd.,
    mm
    Ht.,
    mm
    JIS
    Specification
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    M3 × 0.5 mm5.52.4JIS B 1181
    5091028A652000000
    M4 × 0.7 mm73.2JIS B 1181
    5091028A65500000
    M5 × 0.8 mm84JIS B 1181
    5091028A65800000
    M6 × 1 mm105JIS B 1181
    2591028A66100000
    M8 × 1.25 mm126.5JIS B 1181
    1091028A66400000
    M10 × 1.25 mm148JIS B 1181
    591028A66700000
    M12 × 1.75 mm177JIS B 1181
    191028A71100000
    M14 × 2 mm198JIS B 1181
    191028A71200000
    M16 × 2 mm2210JIS B 1181
    191028A71300000
    M18 × 2.5 mm2411JIS B 1181
    191028A71400000
    M20 × 2.5 mm2712JIS B 1181
    191028A71500000
    M22 × 2.5 mm3013JIS B 1181
    191028A71600000
     

    Left-Hand-Thread Hex Nuts

    These nuts tighten when turned to the left. Use them with left-hand rods and screws to prevent counterclockwise-moving parts from loosening.
    Medium-Strength Steel
    Image of Product. Front orientation. Contains Annotated, MultipleImages. Hex Nuts. Left-Hand-Thread Hex Nuts.
    These Grade 5 or Class 8 nuts are your go-to for fastening most machinery and equipment. To avoid stripped threads during installation, make sure your screw has a comparable strength rating.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread
    Size
    Wd.
    Ht.
    Fastener Strength
    Grade/Class
    Pkg.
    Qty.
    Pkg.
    Steel
    1/4"-20
    7/16"7/32"SAE Grade 5
    10095140A111000000
    1/4"-28
    7/16"7/32"SAE Grade 5
    10095140A11500000
    5/16"-18
    1/2"17/64"SAE Grade 5
    5095140A1190000
    5/16"-24
    1/2"17/64"SAE Grade 5
    5095140A1230000
    3/8"-16
    9/16"21/64"SAE Grade 5
    5095140A12700000
    3/8"-24
    9/16"21/64"SAE Grade 5
    5095140A13100000
    7/16"-14
    11/16"3/8"SAE Grade 5
    2595140A1350000
    7/16"-20
    11/16"3/8"SAE Grade 5
    2595140A1390000
    1/2"-13
    3/4"7/16"SAE Grade 5
    2595140A14300000
    1/2"-20
    3/4"7/16"SAE Grade 5
    2595140A14700000
    9/16"-18
    7/8"31/64"SAE Grade 5
    2595140A15300000
    5/8"-11
    15/16"35/64"SAE Grade 5
    1095140A1550000
    5/8"-18
    15/16"35/64"SAE Grade 5
    1095140A1590000
    3/4"-10
    1 1/8"41/64"SAE Grade 5
    1095140A16300000
    3/4"-16
    1 1/8"41/64"SAE Grade 5
    1095140A16500000
    7/8"-9
    1 5/16"3/4"SAE Grade 5
    595140A16700000
    7/8"-14
    1 5/16"3/4"SAE Grade 5
    595140A16900000
    1"-8
    1 1/2"55/64"SAE Grade 5
    195140A1710000
    1 1/8"-7
    1 11/16"31/32"SAE Grade 5
    195140A1750000
    1 1/4"-7
    1 7/8"1 1/16"SAE Grade 5
    195140A1770000
    1 1/4"-12
    1 7/8"1 1/16"SAE Grade 5
    195140A1790000
    1 1/2"-6
    2 1/4"1 9/32"SAE Grade 5
    195140A18100000
     
    Low-Strength Steel
    Image of Product. Front orientation. Contains Annotated, MultipleImages. Hex Nuts. Left-Hand-Thread Hex Nuts.
    Rated Grade 2, Class 6, or lower, these nuts are about half as strong as medium-strength nuts. They are suitable for light duty fastening applications, such as securing access panels. Use them with screws that have a similar strength rating to avoid stripping threads during installation.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread
    Size
    Wd.
    Ht.
    Fastener Strength
    Grade/Class
    Pkg.
    Qty.
    Pkg.
    Steel
    1/4"-20
    7/16"7/32"SAE Grade 2
    10090519A029000000
    1/4"-28
    7/16"7/32"SAE Grade 2
    10090519A20500000
    3/8"-16
    9/16"21/64"SAE Grade 2
    2590519A0310000
    3/8"-24
    9/16"21/64"SAE Grade 2
    5090519A21500000
    1/2"-20
    3/4"7/16"SAE Grade 2
    2590519A23500000
    5/8"-11
    15/16"35/64"SAE Grade 2
    1090519A24000000
    5/8"-18
    15/16"35/64"SAE Grade 2
    1090519A24500000
    3/4"-10
    1 1/8"41/64"SAE Grade 2
    590519A2470000
    3/4"-16
    1 1/8"41/64"SAE Grade 2
    1090519A25000000
    1"-8
    1 1/2"55/64"SAE Grade 2
    190519A2570000
    1"-14
    1 1/2"55/64"SAE Grade 2
    190519A2600000
    1 1/8"-7
    1 11/16"31/32"SAE Grade 2
    190519A0390000
    1 1/4"-7
    1 7/8"1 1/16"SAE Grade 2
    190519A04000000
    1 1/4"-12
    1 7/8"1 1/16"SAE Grade 2
    190519A26600000
    1 1/2"-6
    2 1/4"1 9/32"SAE Grade 2
    190519A04100000
     
    Corrosion-Resistant Stainless Steel
    Image of Product. Front orientation. Contains Annotated, MultipleImages. Hex Nuts. Left-Hand-Thread Hex Nuts.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these nuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Super-Corrosion-Resistant 316 Stainless Steel—Superior to 18-8 stainless steel, these nuts won't degrade when exposed to harsh weather, salt water, and most chemicals.
    Thread Size
    Wd.
    Ht.
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    1/4"-20
    7/16"7/32"2595195A120000000
    1/4"-28
    7/16"7/32"2595195A13000000
    5/16"-18
    1/2"17/64"1095195A1400000
    5/16"-24
    1/2"17/64"1095195A1500000
    3/8"-16
    9/16"21/64"1095195A1600000
    3/8"-24
    9/16"21/64"1095195A1700000
    1/2"-13
    3/4"7/16"595195A1800000
    1/2"-20
    3/4"7/16"595195A1900000
    5/8"-11
    15/16"35/64"195195A2000000
    5/8"-18
    15/16"35/64"195195A2100000
    3/4"-10
    1 1/8"41/64"195195A2200000
    3/4"-16
    1 1/8"41/64"195195A2300000
    7/8"-9
    1 5/16"3/4"195195A2400000
    7/8"-14
    1 5/16"3/4"195195A24500000
    1"-8
    1 1/2"55/64"195195A25000000
    1"-14
    1 1/2"55/64"195195A26000000
    1 1/8"-7
    1 11/16"31/32"195195A27000000
    1 1/4"-7
    1 7/8"1 1/16"195195A28000000
    1 1/4"-12
    1 7/8"1 1/16"195195A29000000
    1 1/2"-6
    2 1/4"1 9/32"195195A30000000
    M3 × 0.5 mm5.5 mm2.4 mmDIN 934L1093510A10500000
    M4 × 0.7 mm7 mm3.2 mmDIN 934L1093510A1100000
    M5 × 0.8 mm8 mm4 mmDIN 934L2593510A11500000
    M6 × 1 mm10 mm5 mmDIN 934L1093510A1200000
    M8 × 1.25 mm13 mm6.5 mmDIN 934L1093510A1250000
    M10 × 1.5 mm17 mm8 mmDIN 934L593510A1300000
    M12 × 1.75 mm19 mm10 mmDIN 934L593510A13500000
    M14 × 2 mm22 mm11 mmDIN 934L193510A1380000
    M16 × 2 mm24 mm13 mmDIN 934L193510A1400000
    M20 × 2.5 mm30 mm16 mmDIN 934L193510A1450000
    M24 × 3 mm36 mm19 mmDIN 934L193510A15500000
    M30 × 3.5 mm46 mm24 mmDIN 934L193510A16500000
     
    Super-Corrosion-Resistant 316 Stainless Steel
    10-24
    5/16"5/32"13022T7110000
    1/4"-20
    7/16"7/32"195355A21500000
    1/4"-28
    7/16"7/32"195355A21900000
    5/16"-18
    1/2"17/64"195355A2230000
    5/16"-24
    1/2"17/64"195355A22700000
    3/8"-16
    9/16"21/64"195355A23100000
    3/8"-24
    9/16"21/64"195355A23500000
    7/16"-14
    11/16"3/8"195355A23900000
    7/16"-20
    11/16"3/8"195355A24300000
    1/2"-13
    3/4"7/16"195355A2470000
    1/2"-20
    3/4"7/16"195355A25100000
    5/8"-11
    15/16"35/64"195355A25900000
    5/8"-18
    15/16"35/64"195355A26300000
    3/4"-16
    1 1/8"41/64"195355A27100000
    7/8"-9
    1 5/16"3/4"195355A27500000
    7/8"-14
    1 5/16"3/4"195355A27900000
    1"-8
    1 1/2"55/64"195355A28100000
    1"-14
    1 1/2"55/64"195355A28400000
    1 1/4"-7
    1 7/8"1 1/16"195355A29000000
    1 1/4"-12
    1 7/8"1 1/16"195355A29300000
    1 1/2"-6
    2 1/4"1 9/32"195355A29400000
     

    Hex Nut Assortments

    Image of Product. Front orientation. Hex Nuts. Hex Nut Assortments.
    Image of Product. Front orientation. Hex Nuts. Hex Nut Assortments.
    With a range of sizes on hand, you can use these assortments to fasten a variety of machinery and equipment.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these nuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Sizes Included
    No. of
    Pieces
    Specs.
    Met
    Container
    Type
    Each
    18-8 Stainless Steel
    1/4"-20 to 3/4"-1090Plastic Box93608A200000000
    2-56 to 1/4"-20700Plastic Box90625A20700000
    M2 to M12600DIN 934Plastic Box98185A414000000
     

    Thin-Profile Hex Nuts

    About half the height of standard-profile nuts, these fit in spaces with low clearance. You can also use them as jam nuts by threading them against another hex nut to hold it in place.
    Medium-Strength Steel
    Image of Product. Front orientation. Hex Nuts. Thin-Profile Hex Nuts.
    These Grade 5 or Class 04 nuts are your go-to for fastening most machinery and equipment. To avoid stripped threads during installation, make sure your screw has a comparable strength rating.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread Size
    Wd.
    Ht.
    Fastener Strength
    Grade/Class
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    Steel
    1/4"-20
    7/16"5/32"SAE Grade 5
    ASME B18.2.210094846A20100000
    1/4"-28
    7/16"5/32"SAE Grade 5
    ASME B18.2.210094846A2020000
    5/16"-18
    1/2"3/16"SAE Grade 5
    ASME B18.2.25094846A2030000
    5/16"-24
    1/2"3/16"SAE Grade 5
    ASME B18.2.25094846A2040000
    3/8"-16
    9/16"7/32"SAE Grade 5
    ASME B18.2.25094846A2050000
    3/8"-24
    9/16"7/32"SAE Grade 5
    ASME B18.2.25094846A2060000
    7/16"-14
    11/16"1/4"SAE Grade 5
    ASME B18.2.25094846A2070000
    7/16"-20
    11/16"1/4"SAE Grade 5
    ASME B18.2.25094846A2080000
    1/2"-13
    3/4"5/16"SAE Grade 5
    ASME B18.2.22594846A2090000
    1/2"-20
    3/4"5/16"SAE Grade 5
    ASME B18.2.22594846A2100000
    9/16"-12
    7/8"5/16"SAE Grade 5
    ASME B18.2.22594846A21100000
    9/16"-18
    7/8"5/16"SAE Grade 5
    ASME B18.2.22594846A2120000
    5/8"-11
    15/16"3/8"SAE Grade 5
    ASME B18.2.21094846A2130000
    5/8"-18
    15/16"3/8"SAE Grade 5
    ASME B18.2.21094846A2140000
    3/4"-10
    1 1/8"27/64"SAE Grade 5
    ASME B18.2.21094846A2150000
    3/4"-16
    1 1/8"27/64"SAE Grade 5
    ASME B18.2.21094846A2160000
    7/8"-9
    1 5/16"31/64"SAE Grade 5
    ASME B18.2.2594846A2170000
    7/8"-14
    1 5/16"31/64"SAE Grade 5
    ASME B18.2.2594846A2180000
    1"-8
    1 1/2"35/64"SAE Grade 5
    ASME B18.2.2594846A21900000
    1"-12
    1 1/2"35/64"SAE Grade 5
    ASME B18.2.2194846A2200000
    1"-14
    1 1/2"35/64"SAE Grade 5
    ASME B18.2.2194846A2210000
    1 1/8"-7
    1 11/16"39/64"SAE Grade 5
    ASME B18.2.2194846A2220000
    1 1/8"-12
    1 11/16"39/64"SAE Grade 5
    ASME B18.2.2194846A2230000
    1 1/4"-7
    1 7/8"23/32"SAE Grade 5
    ASME B18.2.2194846A2240000
    1 1/4"-12
    1 7/8"23/32"SAE Grade 5
    ASME B18.2.2194846A2250000
    1 3/8"-12
    2 1/16"25/32"SAE Grade 5
    ASME B18.2.2194846A22600000
    1 1/2"-12
    2 1/4"27/32"SAE Grade 5
    ASME B18.2.2194846A2270000
    M2 × 0.4 mm4 mm1.2 mmDIN 439B, ISO 403510090370A2010000
    M2.5 × 0.45 mm5 mm1.6 mmDIN 439B, ISO 403510090370A2020000
    M3 × 0.5 mm5.5 mm1.8 mmDIN 439B, ISO 403510090370A2030000
    M4 × 0.7 mm7 mm2.2 mmISO Class 04
    DIN 439B, ISO 403510094168A1110000
    M5 × 0.8 mm8 mm2.7 mmISO Class 04
    DIN 439B, ISO 403510094168A1120000
    M6 × 1 mm10 mm3.2 mmISO Class 04
    DIN 439B, ISO 403510094168A1130000
    M8 × 1 mm13 mm4 mmISO Class 04
    DIN 439B, ISO 40355090326A20800000
    M8 × 1 mm13 mm5 mmDIN 9365090364A1010000
    M8 × 1.25 mm13 mm4 mmISO Class 04
    DIN 439B, ISO 403510094168A1140000
    M8 × 1.25 mm13 mm5 mmDIN 9365090370A10100000
    M10 × 1 mm17 mm6 mmDIN 9362590364A10300000
    M10 × 1.25 mm17 mm5 mmISO Class 04
    DIN 439B, ISO 40355090326A20900000
    M10 × 1.25 mm17 mm6 mmDIN 9362590364A10200000
    M10 × 1.5 mm17 mm5 mmISO Class 04
    DIN 439B, ISO 403510094168A11500000
    M10 × 1.5 mm17 mm6 mmDIN 9362590370A10200000
    M12 × 1.25 mm19 mm7 mmDIN 9362590364A10500000
    M12 × 1.5 mm19 mm6 mmISO Class 04
    DIN 439B, ISO 40352590326A21100000
    M12 × 1.5 mm19 mm7 mmDIN 9362590364A10400000
    M12 × 1.75 mm19 mm6 mmISO Class 04
    DIN 439B, ISO 40355094168A1160000
    M12 × 1.75 mm19 mm7 mmDIN 9362590370A10300000
    M14 × 1.5 mm22 mm7 mmISO Class 04
    DIN 439B, ISO 40355090326A21200000
    M14 × 1.5 mm22 mm8 mmDIN 9361090364A1060000
    M14 × 2 mm22 mm7 mmDIN 439B, ISO 40351090370A2110000
    M14 × 2 mm22 mm8 mmDIN 9362590370A10400000
    M16 × 1.5 mm24 mm8 mmDIN 9361090370A1060000
    M16 × 1.5 mm24 mm8 mmISO Class 04
    DIN 439B, ISO 40352590326A21300000
    M16 × 2 mm24 mm8 mmDIN 9361090370A1050000
    M16 × 2 mm24 mm8 mmISO Class 04
    DIN 439B, ISO 40352594168A1180000
    M18 × 1.5 mm27 mm9 mmDIN 9361090364A1070000
    M18 × 1.5 mm27 mm9 mmISO Class 04
    DIN 439B, ISO 40351090326A2140000
    M18 × 2.5 mm27 mm9 mmDIN 9361090370A10700000
    M20 × 1.5 mm30 mm9 mmDIN 9361090364A10900000
    M20 × 1.5 mm30 mm10 mmISO Class 04
    DIN 439B, ISO 40351090326A2150000
    M20 × 2 mm30 mm9 mmDIN 9361090364A10800000
    M20 × 2.5 mm30 mm9 mmDIN 9361090370A10800000
    M20 × 2.5 mm30 mm10 mmISO Class 04
    DIN 439B, ISO 40351094168A1190000
    M22 × 1.5 mm32 mm10 mmDIN 9361090364A11100000
    M22 × 1.5 mm32 mm11 mmISO Class 04
    DIN 439B, ISO 40351090326A2160000
    M22 × 2.5 mm32 mm10 mmDIN 936590370A10900000
    M22 × 2.5 mm32 mm11 mmDIN 439B, ISO 4035190370A2140000
    M24 × 1.5 mm36 mm10 mmDIN 936190364A1130000
    M24 × 1.5 mm36 mm12 mmISO Class 04
    DIN 439B, ISO 4035590326A21700000
    M24 × 2 mm36 mm10 mmDIN 936190364A1120000
    M24 × 2 mm36 mm12 mmISO Class 04
    DIN 439B, ISO 4035590326A21800000
    M24 × 3 mm36 mm10 mmDIN 936190370A1110000
    M24 × 3 mm36 mm12 mmISO Class 04
    DIN 439B, ISO 4035594168A1220000
    M27 × 1.5 mm41 mm12 mmDIN 936190364A1150000
    M27 × 1.5 mm41 mm13.5 mmISO Class 04
    DIN 439B, ISO 4035190326A21900000
    M27 × 2 mm41 mm12 mmDIN 936190364A1140000
    M27 × 2 mm41 mm13.5 mmISO Class 04
    DIN 439B, ISO 4035190326A2210000
    M27 × 3 mm41 mm12 mmDIN 936190370A1120000
    M30 × 1.5 mm46 mm12 mmDIN 936190364A1170000
    M30 × 2 mm46 mm12 mmDIN 936190364A1160000
    M30 × 2 mm46 mm15 mmISO Class 04
    DIN 439B, ISO 4035190326A2220000
    M30 × 3.5 mm46 mm12 mmDIN 936190370A1130000
    M30 × 3.5 mm46 mm15 mmDIN 439B, ISO 4035190370A2160000
    M33 × 1.5 mm50 mm14 mmDIN 936190364A11900000
    M33 × 2 mm50 mm14 mmDIN 936190364A1180000
    M33 × 2 mm50 mm16.5 mmISO Class 04
    DIN 439B, ISO 4035190326A22300000
    M33 × 3.5 mm50 mm14 mmDIN 936190370A11400000
    M36 × 1.5 mm55 mm14 mmDIN 936190364A12300000
    M36 × 2 mm55 mm14 mmDIN 936190364A12200000
    M36 × 3 mm55 mm14 mmDIN 936190364A12100000
    M36 × 3 mm55 mm18 mmISO Class 04
    DIN 439B, ISO 4035190326A22400000
    M36 × 4 mm55 mm14 mmDIN 936190370A11500000
    M36 × 4 mm55 mm18 mmISO Class 04
    DIN 439B, ISO 4035194168A1240000
    M39 × 3 mm60 mm19.5 mmISO Class 04
    DIN 439B, ISO 4035190326A22500000
    M42 × 1.5 mm65 mm16 mmDIN 936190364A12500000
    M42 × 3 mm65 mm16 mmDIN 936190364A12400000
    M42 × 3 mm65 mm21 mmISO Class 04
    DIN 439B, ISO 4035190326A22600000
    M42 × 4.5 mm65 mm16 mmDIN 936190370A11600000
    M45 × 3 mm70 mm22.5 mmISO Class 04
    DIN 439B, ISO 4035190326A22700000
    M48 × 1.5 mm75 mm18 mmDIN 936190364A12700000
    M48 × 3 mm75 mm18 mmDIN 936190364A12600000
    M48 × 3 mm75 mm24 mmISO Class 04
    DIN 439B, ISO 4035190326A22800000
    M48 × 5 mm75 mm18 mmDIN 936190370A11700000
    M48 × 5 mm75 mm24 mmISO Class 04
    DIN 439B, ISO 4035194168A12700000
    M52 × 3 mm80 mm26 mmISO Class 04
    DIN 439B, ISO 4035190326A22900000
    M52 × 5 mm80 mm26 mmISO Class 04
    DIN 439B, ISO 4035194168A12800000
     
    High-Strength Steel
    Image of Product. Front orientation. Hex Nuts. Thin-Profile Hex Nuts.
    Rated Grade 8, Grade C, or Class 10, these nuts are about 25% stronger than medium-strength steel nuts. They are commonly used to fasten components in valves, pumps, motors, and other high-stress applications. To avoid stripped threads during installation, make sure your screw has a comparable strength rating.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread
    Size
    Wd.
    Ht.
    Fastener Strength
    Grade/Class
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    Steel
    1/4"-20
    7/16"5/32"SAE Grade 8
    ASME B18.2.25092052A11000000
    1/4"-28
    7/16"5/32"SAE Grade 8
    ASME B18.2.25092052A1200000
    5/16"-18
    1/2"3/16"SAE Grade 8
    ASME B18.2.25092052A13000000
    5/16"-24
    1/2"3/16"SAE Grade 8
    ASME B18.2.25092052A14000000
    3/8"-16
    9/16"7/32"SAE Grade 8
    ASME B18.2.25092052A15000000
    3/8"-24
    9/16"7/32"SAE Grade 8
    ASME B18.2.25092052A16000000
    7/16"-14
    11/16"1/4"SAE Grade 8
    ASME B18.2.22592052A17000000
    7/16"-20
    11/16"1/4"SAE Grade 8
    ASME B18.2.22592052A18000000
    1/2"-13
    3/4"5/16"SAE Grade 8
    ASME B18.2.22592052A19000000
    1/2"-20
    3/4"5/16"SAE Grade 8
    ASME B18.2.21092052A2100000
    5/8"-11
    15/16"3/8"SAE Grade 8
    ASME B18.2.21092052A22000000
    5/8"-18
    15/16"3/8"SAE Grade 8
    ASME B18.2.21092052A23000000
    3/4"-10
    1 1/8"27/64"SAE Grade 8
    ASME B18.2.21092052A24000000
    3/4"-16
    1 1/8"27/64"SAE Grade 8
    ASME B18.2.21092052A25000000
    7/8"-9
    1 5/16"31/64"SAE Grade 8
    ASME B18.2.2592052A26000000
    7/8"-14
    1 5/16"31/64"SAE Grade 8
    ASME B18.2.2592052A27000000
    1"-8
    1 1/2"35/64"SAE Grade 8
    ASME B18.2.2192052A2800000
    1"-12
    1 1/2"35/64"SAE Grade 8
    ASME B18.2.2192052A2900000
    1"-14
    1 1/2"35/64"SAE Grade 8
    ASME B18.2.2192052A3100000
    1 1/8"-7
    1 11/16"39/64"SAE Grade 8
    ASME B18.2.2192052A3200000
    1 1/4"-12
    1 7/8"23/32"SAE Grade 8
    ASME B18.2.2192052A33000000
    1 3/8"-6
    2 1/16"25/32"SAE Grade 8
    ASME B18.2.2192052A34000000
    1 3/8"-12
    2 1/16"25/32"SAE Grade 8
    ASME B18.2.2192052A35000000
    1 1/2"-6
    2 1/4"27/32"SAE Grade 8
    ASME B18.2.2192052A36000000
    1 1/2"-12
    2 1/4"27/32"SAE Grade 8
    ASME B18.2.2192052A37000000
    1 3/4"-5
    2 5/8"31/32"SAE Grade 8
    ASME B18.2.2192052A38000000
    1 3/4"-12
    2 5/8"31/32"SAE Grade 8
    ASME B18.2.2192052A39000000
    2"-4 1/2
    3"1 3/32"SAE Grade 8
    ASME B18.2.2192052A41000000
    2"-12
    3"1 3/32"SAE Grade 8
    ASME B18.2.2192052A42000000
     
    Low-Strength Steel
    Image of Product. Front orientation. Hex Nuts. Thin-Profile Hex Nuts.
    Rated Grade 2, Class 6, or lower, these nuts are about half as strong as medium-strength nuts. They are suitable for light duty fastening applications, such as securing access panels. Use them with screws that have a similar strength rating to avoid stripping threads during installation.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread
    Size
    Wd.
    Ht.
    Fastener Strength
    Grade/Class
    Pkg.
    Qty.
    Pkg.
    Steel
    1/4"-20
    7/16"5/32"SAE Grade 2
    10090494A02900000
    1/4"-28
    7/16"5/32"SAE Grade 2
    10090494A2290000
    5/16"-18
    1/2"3/16"SAE Grade 2
    10090494A0300000
    5/16"-24
    1/2"3/16"SAE Grade 2
    10090494A2300000
    3/8"-16
    9/16"7/32"SAE Grade 2
    10090494A0310000
    3/8"-24
    9/16"7/32"SAE Grade 2
    10090494A2310000
    7/16"-14
    11/16"1/4"SAE Grade 2
    10090494A0320000
    7/16"-20
    11/16"1/4"SAE Grade 2
    10090494A2320000
    1/2"-13
    3/4"5/16"SAE Grade 2
    10090494A03300000
    1/2"-20
    3/4"5/16"SAE Grade 2
    10090494A23300000
    9/16"-18
    7/8"5/16"SAE Grade 2
    10090494A23400000
    5/8"-11
    15/16"3/8"SAE Grade 2
    10090494A03500000
    5/8"-18
    15/16"3/8"SAE Grade 2
    10090494A23500000
    3/4"-10
    1 1/8"27/64"SAE Grade 2
    5090494A13600000
    3/4"-16
    1 1/8"27/64"SAE Grade 2
    5090494A23600000
    7/8"-9
    1 5/16"31/64"SAE Grade 2
    2590494A13700000
    7/8"-14
    1 5/16"31/64"SAE Grade 2
    2590494A23700000
    1"-8
    1 1/2"35/64"SAE Grade 2
    2090494A13800000
    1"-14
    1 1/2"35/64"SAE Grade 2
    1090494A23800000
    1 1/8"-7
    1 11/16"39/64"SAE Grade 2
    1090494A13900000
    1 1/8"-12
    1 11/16"39/64"SAE Grade 2
    1090494A23900000
    1 1/4"-7
    1 7/8"23/32"SAE Grade 2
    590494A14000000
    1 1/4"-12
    1 7/8"23/32"SAE Grade 2
    590494A24000000
    1 3/8"-12
    2 1/16"25/32"SAE Grade 2
    590494A14100000
    1 1/2"-6
    2 1/4"27/32"SAE Grade 2
    190494A1420000
    1 1/2"-12
    2 1/4"27/32"SAE Grade 2
    190494A2410000
    1 5/8"-12
    2 7/16"29/32"SAE Grade 2
    190496A0610000
    1 3/4"-5
    2 5/8"31/32"SAE Grade 2
    190496A0630000
    1 3/4"-12
    2 5/8"31/32"SAE Grade 2
    190496A0440000
    1 7/8"-12
    2 13/16"1 1/32"SAE Grade 2
    190496A0650000
    2"-4 1/2
    3"1 3/32"SAE Grade 2
    190496A06600000
    2"-12
    3"1 3/32"SAE Grade 2
    190496A04600000
    2 1/4"-12
    3 3/8"1 7/32"SAE Grade 2
    190496A04800000
    2 1/2"-4
    3 3/4"1 13/32"SAE Grade 2
    190496A06800000
    2 1/2"-12
    3 3/4"1 13/32"SAE Grade 2
    190496A05100000
    3"-12
    4 1/2"1 21/32"SAE Grade 2
    190496A05500000
     
    Corrosion-Resistant Stainless Steel
    Image of Product. Front orientation. Hex Nuts. Thin-Profile Hex Nuts.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these nuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Super-Corrosion-Resistant 316 Stainless Steel—Superior to 18-8 stainless steel, these nuts won't degrade when exposed to harsh weather, salt water, and most chemicals.
    Thread Size
    Wd.
    Ht.
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    1/4"-20
    7/16"5/32"10091847A02900000
    1/4"-28
    7/16"5/32"10091847A4290000
    5/16"-18
    1/2"3/16"10091847A0300000
    5/16"-24
    1/2"3/16"10091847A4300000
    3/8"-16
    9/16"7/32"10091847A0310000
    3/8"-24
    9/16"7/32"10091847A43100000
    7/16"-14
    11/16"1/4"5091847A51000000
    7/16"-20
    11/16"1/4"5091847A51500000
    1/2"-13
    3/4"5/16"2591847A5200000
    1/2"-20
    3/4"5/16"2591847A5250000
    1/2"-28
    3/4"5/16"191847A57500000
    9/16"-12
    7/8"5/16"2091847A53000000
    9/16"-18
    7/8"5/16"1091847A4340000
    5/8"-11
    15/16"3/8"1091847A5400000
    5/8"-18
    15/16"3/8"1091847A5450000
    5/8"-24
    15/16"3/8"195621A60000000
    3/4"-10
    1 1/8"27/64"1091847A5500000
    3/4"-16
    1 1/8"27/64"1091847A5550000
    3/4"-20
    1 1/8"27/64"191847A58000000
    7/8"-9
    1 5/16"31/64"591847A5600000
    7/8"-14
    1 5/16"31/64"591847A5650000
    1"-8
    1 1/2"35/64"191847A5700000
    1"-12
    1 1/2"35/64"191847A4360000
    1"-14
    1 1/2"35/64"191847A4380000
    1 1/8"-7
    1 11/16"39/64"191847A0390000
    1 1/8"-12
    1 11/16"39/64"191847A4390000
    1 1/4"-7
    1 7/8"23/32"191847A0400000
    1 1/4"-12
    1 7/8"23/32"191847A4400000
    1 1/2"-6
    2 1/4"27/32"191847A0410000
    1 1/2"-12
    2 1/4"27/32"191847A4410000
    1 3/4"-5
    2 5/8"31/32"191847A05100000
    2"-4 1/2
    3"1 3/32"191847A07100000
    M1.6 × 0.35 mm3.2 mm1 mmDIN 439B, ISO 4035190710A1450000
    M2 × 0.4 mm4 mm1.2 mmDIN 439B, ISO 40355090710A0200000
    M2.5 × 0.45 mm5 mm1.6 mmDIN 439B, ISO 40355090710A0250000
    M3 × 0.5 mm5.5 mm1.8 mmDIN 439B, ISO 403510090710A03000000
    M4 × 0.7 mm7 mm2.2 mmDIN 439B, ISO 403510090710A0350000
    M5 × 0.8 mm8 mm2.7 mmDIN 439B, ISO 403510090710A0370000
    M6 × 1 mm10 mm3.2 mmDIN 439B, ISO 403510090710A0380000
    M8 × 1 mm13 mm4 mmDIN 439B, ISO 40352591938A1050000
    M8 × 1 mm13 mm5 mmDIN 9362597013A11100000
    M8 × 1.25 mm13 mm4 mmDIN 439B, ISO 40355090710A12000000
    M10 × 1 mm17 mm5 mmDIN 439B, ISO 40351091938A1100000
    M10 × 1 mm17 mm6 mmDIN 9361097013A11200000
    M10 × 1.25 mm17 mm5 mmDIN 439B, ISO 40351091938A1150000
    M10 × 1.5 mm17 mm5 mmDIN 439B, ISO 40352590710A1250000
    M10 × 1.5 mm17 mm6 mmDIN 9362590381A10100000
    M12 × 1 mm19 mm6 mmDIN 439B, ISO 40351091938A16000000
    M12 × 1.25 mm19 mm6 mmDIN 439B, ISO 40351091938A1200000
    M12 × 1.5 mm19 mm6 mmDIN 439B, ISO 40351091938A1250000
    M12 × 1.5 mm19 mm7 mmDIN 936597013A1140000
    M12 × 1.75 mm19 mm6 mmDIN 439B, ISO 40352090710A1300000
    M12 × 1.75 mm19 mm7 mmDIN 9361090381A10200000
    M14 × 1.5 mm22 mm7 mmDIN 439B, ISO 4035591938A1300000
    M14 × 1.5 mm22 mm8 mmDIN 936197013A1150000
    M14 × 2 mm22 mm7 mmDIN 439B, ISO 4035590710A1350000
    M14 × 2 mm22 mm8 mmDIN 936590381A1030000
    M16 × 1.5 mm24 mm8 mmDIN 439B, ISO 4035591938A13500000
    M16 × 1.5 mm24 mm8 mmDIN 936597013A11600000
    M16 × 2 mm24 mm8 mmDIN 439B, ISO 4035590710A1400000
    M16 × 2 mm24 mm8 mmDIN 936590381A10400000
    M18 × 1.5 mm27 mm9 mmDIN 439B, ISO 4035191938A1650000
    M18 × 1.5 mm27 mm9 mmDIN 936197013A1170000
    M18 × 2.5 mm27 mm9 mmDIN 439B, ISO 4035590710A15000000
    M18 × 2.5 mm27 mm9 mmDIN 936590381A10500000
    M20 × 1.5 mm30 mm9 mmDIN 936197013A1130000
    M20 × 1.5 mm30 mm10 mmDIN 439B, ISO 4035191938A1450000
    M20 × 2 mm30 mm10 mmDIN 439B, ISO 4035591938A18700000
    M20 × 2.5 mm30 mm9 mmDIN 936190381A1060000
    M20 × 2.5 mm30 mm10 mmDIN 439B, ISO 4035590710A04500000
    M22 × 1.5 mm32 mm10 mmDIN 936197013A1180000
    M22 × 1.5 mm32 mm11 mmDIN 439B, ISO 4035191938A17000000
    M22 × 2.5 mm32 mm11 mmDIN 439B, ISO 4035190710A15500000
    M24 × 1.5 mm36 mm10 mmDIN 936197013A11900000
    M24 × 1.5 mm36 mm12 mmDIN 439B, ISO 4035191938A1550000
    M24 × 2 mm36 mm12 mmDIN 439B, ISO 4035191938A17500000
    M24 × 3 mm36 mm10 mmDIN 936190381A1080000
    M24 × 3 mm36 mm12 mmDIN 439B, ISO 4035190710A0470000
    M27 × 1.5 mm41 mm12 mmDIN 936197013A12100000
    M27 × 3 mm41 mm12 mmDIN 936190381A10900000
    M30 × 1.5 mm46 mm12 mmDIN 936197013A12200000
    M30 × 1.5 mm46 mm15 mmDIN 439B, ISO 4035191938A18000000
    M30 × 2 mm46 mm15 mmDIN 439B, ISO 4035191938A18900000
    M30 × 3.5 mm46 mm12 mmDIN 936190381A11100000
    M30 × 3.5 mm46 mm15 mmDIN 439B, ISO 4035190710A05000000
    M33 × 3.5 mm50 mm14 mmDIN 936190381A11200000
    M36 × 1.5 mm55 mm14 mmDIN 936197013A12300000
    M36 × 1.5 mm55 mm18 mmDIN 439B, ISO 4035191938A18800000
    M36 × 4 mm55 mm14 mmDIN 936190381A11300000
    M36 × 4 mm55 mm18 mmDIN 439B, ISO 4035190710A06000000
    M42 × 4.5 mm65 mm16 mmDIN 936190381A11400000
     
    Super-Corrosion-Resistant 316 Stainless Steel
    1/4"-20
    7/16"5/32"5094805A0290000
    1/4"-28
    7/16"5/32"5094805A2090000
    5/16"-18
    1/2"3/16"2594805A1100000
    5/16"-24
    1/2"3/16"2594805A2130000
    3/8"-16
    9/16"7/32"2594805A1150000
    3/8"-24
    9/16"7/32"2594805A2170000
    7/16"-14
    11/16"1/4"1094805A2610000
    7/16"-20
    11/16"1/4"1094805A2210000
    1/2"-13
    3/4"5/16"1094805A1250000
    1/2"-20
    3/4"5/16"1094805A2240000
    9/16"-12
    7/8"5/16"594805A2620000
    9/16"-18
    7/8"5/16"194805A2280000
    5/8"-11
    15/16"3/8"594805A1300000
    5/8"-18
    15/16"3/8"594805A2310000
    3/4"-10
    1 1/8"27/64"194805A1350000
    3/4"-16
    1 1/8"27/64"194805A2330000
    7/8"-9
    1 5/16"31/64"194805A0370000
    7/8"-14
    1 5/16"31/64"194805A0410000
    1"-8
    1 1/2"35/64"194805A0380000
    1"-12
    1 1/2"35/64"194805A2630000
    1"-14
    1 1/2"35/64"194805A2370000
    1 1/8"-7
    1 11/16"39/64"194805A26400000
    1 1/8"-12
    1 11/16"39/64"194805A26500000
    1 1/4"-7
    1 7/8"23/32"194805A2470000
    1 1/4"-12
    1 7/8"23/32"194805A26600000
    1 1/2"-6
    2 1/4"27/32"194805A26700000
    1 1/2"-12
    2 1/4"27/32"194805A26800000
    1 3/4"-5
    2 5/8"31/32"194805A26900000
    2"-4 1/2
    3"1 3/32"194805A27100000
    M2 × 0.4 mm4 mm1.2 mmDIN 439B, ISO 40352593935A3050000
    M2.5 × 0.45 mm5 mm1.6 mmDIN 439B, ISO 40355093935A3100000
    M3 × 0.5 mm5.5 mm1.8 mmDIN 439B, ISO 403510093935A32000000
    M4 × 0.7 mm7 mm2.2 mmDIN 439B, ISO 40355093935A3250000
    M5 × 0.8 mm8 mm2.7 mmDIN 439B, ISO 40355093935A3300000
    M6 × 1 mm10 mm3.2 mmDIN 439B, ISO 40355093935A33500000
    M8 × 0.75 mm13 mm4 mmDIN 439B, ISO 40351097289A1230000
    M8 × 1 mm13 mm4 mmDIN 439B, ISO 40351097289A1240000
    M8 × 1.25 mm13 mm4 mmDIN 439B, ISO 40355093935A34000000
    M8 × 1.25 mm13 mm5 mmDIN 9361097289A1110000
    M10 × 1.25 mm17 mm5 mmDIN 439B, ISO 4035597289A1250000
    M10 × 1.5 mm17 mm5 mmDIN 439B, ISO 40352093935A34500000
    M10 × 1.5 mm17 mm6 mmDIN 9361097289A11200000
    M12 × 1.25 mm19 mm6 mmDIN 439B, ISO 4035197289A1260000
    M12 × 1.5 mm19 mm6 mmDIN 439B, ISO 4035197289A1270000
    M12 × 1.75 mm19 mm6 mmDIN 439B, ISO 40351093935A35000000
    M12 × 1.75 mm19 mm7 mmDIN 936597289A1130000
    M14 × 1.5 mm22 mm7 mmDIN 439B, ISO 4035197289A1280000
    M14 × 2 mm22 mm7 mmDIN 439B, ISO 4035593935A3550000
    M14 × 2 mm22 mm8 mmDIN 936197289A1140000
    M16 × 1.5 mm24 mm8 mmDIN 439B, ISO 4035197289A1290000
    M16 × 2 mm24 mm8 mmDIN 439B, ISO 4035593935A36000000
    M16 × 2 mm24 mm8 mmDIN 936197289A1150000
    M18 × 1.5 mm27 mm9 mmDIN 439B, ISO 4035197289A1310000
    M18 × 2.5 mm27 mm9 mmDIN 936197289A1160000
    M20 × 2 mm30 mm10 mmDIN 439B, ISO 4035197289A1320000
    M20 × 2.5 mm30 mm9 mmDIN 936197289A1170000
    M20 × 2.5 mm30 mm10 mmDIN 439B, ISO 4035193935A3650000
    M22 × 2.5 mm32 mm10 mmDIN 936197289A11800000
    M24 × 3 mm36 mm10 mmDIN 936197289A1190000
    M24 × 3 mm36 mm12 mmDIN 439B, ISO 4035193935A37000000
    M27 × 2 mm41 mm13.5 mmDIN 439B, ISO 4035197289A13300000
    M27 × 3 mm41 mm12 mmDIN 936197289A12100000
    M30 × 2 mm46 mm15 mmDIN 439B, ISO 4035197289A13400000
    M30 × 3.5 mm46 mm12 mmDIN 936197289A12200000
    M30 × 3.5 mm46 mm15 mmDIN 439B, ISO 4035193935A37500000
    M33 × 2 mm50 mm16.5 mmDIN 439B, ISO 4035197289A13500000
    M36 × 1.5 mm55 mm18 mmDIN 439B, ISO 4035197289A13600000
    M36 × 4 mm55 mm18 mmDIN 439B, ISO 4035193935A38000000
     
    Corrosion-Resistant Stainless Steel with Material Certificate
    Image of Product. Front orientation. Hex Nuts. Thin-Profile Hex Nuts.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these nuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
    Thread
    Size
    Wd.
    Ht.
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    7/8"-20
    1 5/16"31/64"195621A900000000
     

    Mil. Spec. Thin-Profile Hex Nuts

    These nuts are manufactured and tested to strict U.S. military standards for material and construction. About half the height of standard-profile nuts, they fit in spaces with low clearance. You can also use them as jam nuts by threading them against another hex nut to hold it in place.
    Corrosion-Resistant Stainless Steel
    Image of Product. Front orientation. Hex Nuts. Mil. Spec. Thin-Profile Hex Nuts.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these nuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Thread
    Size
    Wd.
    Ht.
    Mil.
    Spec.
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    1/4"-20
    7/16"5/32"MS35691-3Fed. Spec. FF-N-836
    592101A210000000
    1/4"-28
    7/16"5/32"MS35691-7Fed. Spec. FF-N-836
    192101A3200000
    5/16"-18
    1/2"3/16"MS35691-11Fed. Spec. FF-N-836
    592101A43000000
    5/16"-24
    1/2"3/16"MS35691-15Fed. Spec. FF-N-836
    592101A54000000
    3/8"-16
    9/16"7/32"MS35691-19Fed. Spec. FF-N-836
    192101A6500000
    3/8"-24
    9/16"7/32"MS35691-23Fed. Spec. FF-N-836
    192101A7600000
    7/16"-14
    11/16"1/4"MS35691-27Fed. Spec. FF-N-836
    192101A1010000
    7/16"-20
    11/16"1/4"MS35691-31Fed. Spec. FF-N-836
    192101A1020000
    1/2"-13
    3/4"5/16"MS35691-35Fed. Spec. FF-N-836
    192101A8700000
    1/2"-20
    3/4"5/16"MS35691-39Fed. Spec. FF-N-836
    192101A9800000
    5/8"-11
    15/16"3/8"MS35691-51Fed. Spec. FF-N-836
    192101A10300000
    5/8"-18
    15/16"3/8"MS35691-55Fed. Spec. FF-N-836
    192101A10400000
     

    Left-Hand-Thread Thin-Profile Hex Nuts

    These nuts tighten when turned to the left. Use them with left-hand rods and screws to prevent counterclockwise-moving parts from loosening. About half the height of standard-profile nuts, these fit in spaces with low clearance. You can also use them as jam nuts by threading them against another hex nut to hold it in place.
    Low-Strength Steel
    Image of Product. Front orientation. Contains Annotated, MultipleImages. Hex Nuts. Left-Hand-Thread Thin-Profile Hex Nuts.
    Rated Grade 2, Class 6, or lower, these nuts are about half as strong as medium-strength nuts. They are suitable for light duty fastening applications, such as securing access panels. Use them with screws that have a similar strength rating to avoid stripping threads during installation.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread
    Size
    Wd.
    Ht.
    Fastener Strength
    Grade/Class
    Pkg.
    Qty.
    Pkg.
    Steel
    1/4"-20
    7/16"5/32"SAE Grade 2
    5090083A02900000
    1/4"-28
    7/16"5/32"SAE Grade 2
    10090083A20500000
    5/16"-18
    1/2"3/16"SAE Grade 2
    5090083A0300000
    5/16"-24
    1/2"3/16"SAE Grade 2
    10090083A21000000
    3/8"-16
    9/16"7/32"SAE Grade 2
    2590083A0310000
    3/8"-24
    9/16"7/32"SAE Grade 2
    5090083A21500000
    1/2"-13
    3/4"5/16"SAE Grade 2
    2590083A22200000
    1/2"-20
    3/4"5/16"SAE Grade 2
    2590083A22500000
    5/8"-11
    15/16"3/8"SAE Grade 2
    1090083A23000000
    5/8"-18
    15/16"3/8"SAE Grade 2
    1090083A23500000
    3/4"-10
    1 1/8"27/64"SAE Grade 2
    1090083A24000000
    3/4"-16
    1 1/8"27/64"SAE Grade 2
    1090083A24500000
    1"-8
    1 1/2"35/64"SAE Grade 2
    590083A25500000
    1"-14
    1 1/2"35/64"SAE Grade 2
    590083A26000000
     
    Corrosion-Resistant Stainless Steel
    Image of Product. Front orientation. Contains Annotated, MultipleImages. Hex Nuts. Left-Hand-Thread Thin-Profile Hex Nuts.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these nuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Super-Corrosion-Resistant 316 Stainless Steel—Superior to 18-8 stainless steel, these nuts won't degrade when exposed to harsh weather, salt water, and most chemicals.
    Thread Size
    Wd.
    Ht.
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    4-40
    1/4"1/16"194450A51100000
    5-40
    5/16"3/32"194450A5130000
    6-32
    5/16"3/32"194450A5150000
    8-32
    11/32"7/64"194450A5170000
    10-24
    3/8"7/64"194450A5190000
    10-32
    3/8"7/64"194450A5210000
    12-24
    7/16"9/64"194450A5220000
    1/4"-20
    7/16"5/32"594450A2180000
    1/4"-28
    7/16"5/32"594450A2200000
    5/16"-18
    1/2"3/16"594450A2380000
    5/16"-24
    1/2"3/16"594450A2400000
    3/8"-16
    9/16"7/32"594450A2570000
    3/8"-24
    9/16"7/32"594450A2600000
    7/16"-14
    11/16"1/4"ASME B18.2.2194450A5240000
    7/16"-20
    11/16"1/4"ASME B18.2.2194450A5250000
    1/2"-13
    3/4"5/16"594450A2700000
    1/2"-20
    3/4"5/16"594450A28000000
    9/16"-12
    7/8"5/16"ASME B18.2.2194450A5260000
    9/16"-18
    7/8"5/16"ASME B18.2.2194450A5270000
    5/8"-11
    15/16"3/8"194450A3100000
    5/8"-18
    15/16"3/8"194450A3150000
    3/4"-10
    1 1/8"27/64"194450A3310000
    3/4"-16
    1 1/8"27/64"194450A3360000
    7/8"-9
    1 5/16"31/64"ASME B18.2.2194450A52800000
    7/8"-14
    1 5/16"31/64"ASME B18.2.2194450A52900000
    7/8"-20
    1 5/16"31/64"ASME B18.2.2194450A53100000
    1"-8
    1 1/2"35/64"ASME B18.2.2194450A53200000
    1"-12
    1 1/2"35/64"ASME B18.2.2194450A53300000
    1"-14
    1 1/2"35/64"ASME B18.2.2194450A53400000
    1 1/4"-12
    1 7/8"23/32"ASME B18.2.2194450A53800000
    1 1/2"-6
    2 1/4"27/32"ASME B18.2.2194450A53900000
    1 1/2"-12
    2 1/4"27/32"ASME B18.2.2194450A54100000
    2"-4 1/2
    3"1 3/32"ASME B18.2.2194450A54400000
    2"-12
    3"1 3/32"ASME B18.2.2194450A54500000
    M3 × 0.5 mm5.5 mm1.8 mmDIN 439B194450A5460000
    M4 × 0.5 mm7 mm2.2 mmDIN 439B194450A5650000
    M4 × 0.7 mm7 mm2.2 mmDIN 439B194450A5470000
    M5 × 0.5 mm8 mm2.7 mmDIN 439B194450A5660000
    M5 × 0.8 mm8 mm2.7 mmDIN 439, ISO 40351094450A1110000
    M5 × 0.8 mm8 mm2.7 mmDIN 439B194450A5480000
    M6 × 0.75 mm10 mm3.2 mmDIN 439B194450A5670000
    M6 × 1 mm10 mm3.2 mmDIN 439, ISO 40351094450A1120000
    M6 × 1 mm10 mm3.2 mmDIN 439B194450A5490000
    M8 × 1 mm13 mm4 mmDIN 439, ISO 4035594450A1140000
    M8 × 1.25 mm13 mm4 mmDIN 439, ISO 40351094450A1130000
    M8 × 1.25 mm13 mm4 mmDIN 439B194450A5510000
    M10 × 1 mm17 mm5 mmDIN 439B194450A5690000
    M10 × 1.25 mm17 mm5 mmDIN 439, ISO 4035194450A1160000
    M10 × 1.5 mm17 mm5 mmDIN 439, ISO 4035594450A1150000
    M10 × 1.5 mm17 mm5 mmDIN 439B194450A5520000
    M12 × 1.25 mm19 mm6 mmDIN 439, ISO 4035194450A1180000
    M12 × 1.75 mm19 mm6 mmDIN 439, ISO 4035194450A1170000
    M12 × 1.75 mm19 mm6 mmDIN 439B194450A5530000
    M14 × 1.5 mm22 mm7 mmDIN 439B194450A5720000
    M14 × 2 mm22 mm7 mmDIN 439, ISO 4035194450A1190000
    M16 × 1.5 mm24 mm8 mmDIN 439, ISO 4035194450A1220000
    M16 × 1.5 mm24 mm8 mmDIN 439B194450A5730000
    M16 × 2 mm24 mm8 mmDIN 439, ISO 4035194450A1210000
    M16 × 2 mm24 mm8 mmDIN 439B194450A5550000
    M20 × 1.5 mm30 mm10 mmDIN 439B194450A57500000
    M20 × 2.5 mm30 mm10 mmDIN 439, ISO 4035194450A1240000
    M22 × 1.5 mm32 mm11 mmDIN 439B194450A57600000
    M22 × 2.5 mm32 mm11 mmDIN 439B194450A55800000
    M24 × 1.5 mm36 mm12 mmDIN 439B194450A57700000
    M24 × 3 mm36 mm12 mmDIN 439, ISO 4035194450A12500000
    M27 × 1.5 mm41 mm13.5 mmDIN 439B194450A57900000
    M30 × 1.5 mm46 mm15 mmDIN 439B194450A58200000
    M30 × 2 mm46 mm15 mmDIN 439B194450A58100000
     
    Super-Corrosion-Resistant 316 Stainless Steel
    4-40
    1/4"1/16"193031A1480000
    6-32
    5/16"3/32"193031A1530000
    8-32
    11/32"7/64"193031A1550000
    10-24
    3/8"7/64"193031A1570000
    10-32
    3/8"7/64"193031A1580000
    1/4"-20
    7/16"5/32"193031A1620000
    1/4"-28
    7/16"5/32"193031A1630000
    5/16"-24
    1/2"3/16"193031A1650000
    3/8"-16
    9/16"7/32"193031A1660000
    3/8"-24
    9/16"7/32"193031A1670000
    7/16"-20
    11/16"1/4"193031A1690000
    1/2"-13
    3/4"5/16"193031A1710000
    1/2"-20
    3/4"5/16"193031A1720000
    9/16"-18
    7/8"5/16"193031A17400000
    5/8"-18
    15/16"3/8"193031A17600000
    3/4"-10
    1 1/8"27/64"193031A17700000
    3/4"-16
    1 1/8"27/64"193031A17800000
    1"-12
    1 1/2"35/64"193031A18400000
    1"-14
    1 1/2"35/64"193031A18500000
    1 1/4"-12
    1 7/8"23/32"193031A18900000
    1 1/2"-6
    2 1/4"27/32"193031A19100000
    2"-12
    3"1 3/32"193031A19600000
    M6 × 0.75 mm10 mm3.2 mmDIN 439B, ISO 4035193031A1320000
    M6 × 1 mm10 mm3.2 mmDIN 439B, ISO 4035193031A1140000
    M8 × 1 mm13 mm4 mmDIN 439B, ISO 4035193031A1330000
    M8 × 1.25 mm13 mm4 mmDIN 439B, ISO 4035193031A1150000
    M10 × 1 mm17 mm5 mmDIN 439B, ISO 4035193031A1340000
    M10 × 1.25 mm17 mm5 mmDIN 439B193031A2110000
    M10 × 1.5 mm17 mm5 mmDIN 439B, ISO 4035193031A1160000
    M12 × 1.25 mm19 mm6 mmDIN 439B193031A2120000
    M12 × 1.5 mm19 mm6 mmDIN 439B, ISO 4035193031A1350000
    M12 × 1.75 mm19 mm6 mmDIN 439B, ISO 4035193031A1170000
    M14 × 1.5 mm22 mm7 mmDIN 439B, ISO 4035193031A13600000
    M16 × 1.5 mm24 mm8 mmDIN 439B, ISO 4035193031A13700000
    M16 × 2 mm24 mm8 mmDIN 439B, ISO 4035193031A11900000
    M18 × 1.5 mm27 mm9 mmDIN 439B, ISO 4035193031A13800000
    M20 × 1.5 mm30 mm10 mmDIN 439B, ISO 4035193031A13900000
    M22 × 1.5 mm32 mm11 mmDIN 439B, ISO 4035193031A14100000
    M24 × 2 mm36 mm12 mmDIN 439B, ISO 4035193031A21300000
    M30 × 1.5 mm46 mm15 mmDIN 439B, ISO 4035193031A14600000
     
    Corrosion-Resistant Stainless Steel with Material Certificate
    Image of Product. Front orientation. Contains Annotated, MultipleImages. Hex Nuts. Left-Hand-Thread Thin-Profile Hex Nuts.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these nuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Super-Corrosion-Resistant 316 Stainless Steel—Superior to 18-8 stainless steel, these nuts won't degrade when exposed to harsh weather, salt water, and most chemicals.
    Thread Size
    Wd.
    Ht.
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    1 1/4"-7
    1 7/8"23/32"ASME B18.2.2194450A537000000
    M3 × 0.35 mm5.5 mm1.8 mmDIN 439B194450A5640000
    M27 × 2 mm41 mm13.5 mmDIN 439B194450A57800000
     
    Super-Corrosion-Resistant 316 Stainless Steel
    M5 × 0.5 mm8 mm2.7 mmDIN 439B, ISO 4035193031A1310000
     

    Heavy-Profile Hex Nuts

    About 10% wider and taller than standard-profile hex nuts, these handle heavier loads by distributing them over a larger area.
    Medium-Strength Steel
    Image of Product. Front orientation. Hex Nuts. Heavy-Profile Hex Nuts.
    These Grade 5 or Class 8 nuts are your go-to for fastening most machinery and equipment. To avoid stripped threads during installation, make sure your screw has a comparable strength rating.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread Size
    Wd.
    Ht.
    Fastener Strength
    Grade/Class
    Pkg.
    Qty.
    Pkg.
    Steel
    1/4"-20
    1/2"15/64"SAE Grade 5
    10095045A02900000
    5/16"-18
    9/16"19/64"SAE Grade 5
    10095045A03000000
    3/8"-16
    11/16"23/64"SAE Grade 5
    5095045A03100000
    7/16"-14
    3/4"27/64"SAE Grade 5
    2595045A0320000
    1/2"-13
    7/8"31/64"SAE Grade 5
    2595045A03300000
    9/16"-12
    15/16"35/64"SAE Grade 5
    2595045A03400000
    5/8"-11
    1 1/16"39/64"SAE Grade 5
    1095045A0350000
    3/4"-10
    1 1/4"47/64"SAE Grade 5
    1095045A03600000
    7/8"-9
    1 7/16"55/64"SAE Grade 5
    595045A03700000
    1"-8
    1 5/8"63/64"SAE Grade 5
    595045A03800000
    1 1/8"-7
    1 13/16"1 7/64"SAE Grade 5
    195045A0390000
    1 1/4"-7
    2"1 7/32"SAE Grade 5
    195045A0400000
    1 3/8"-6
    2 3/16"1 11/32"SAE Grade 5
    195045A0410000
    1 1/2"-6
    2 3/8"1 15/32"SAE Grade 5
    195045A0420000
    1 3/4"-5
    2 3/4"1 23/32"SAE Grade 5
    195045A04400000
    2"-4 1/2
    3 1/8"1 31/32"SAE Grade 5
    195045A04600000
    2 1/4"-4 1/2
    3 1/2"2 13/64"SAE Grade 5
    195045A04800000
    2 1/2"-4
    3 7/8"2 29/64"SAE Grade 5
    195045A04900000
     
    High-Strength Steel
    Image of Product. Front orientation. Hex Nuts. Heavy-Profile Hex Nuts.
    Rated Grade 8, Grade C, or Class 10, these nuts are about 25% stronger than medium-strength steel nuts. They are commonly used to fasten components in valves, pumps, motors, and other high-stress applications. To avoid stripped threads during installation, make sure your screw has a comparable strength rating.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread Size
    Wd.,
    mm
    Ht.,
    mm
    Fastener Strength
    Grade/Class
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    Steel
    M12 × 1.75 mm2210ISO Class 10
    DIN 6915, ISO 4775591872A120000000
    M16 × 2 mm2713ISO Class 10
    DIN 6915, ISO 4775591872A2200000
    M20 × 2.5 mm3216ISO Class 10
    DIN 6915, ISO 4775591872A32000000
    M24 × 3 mm4119ISO Class 10
    DIN 6915, ISO 4775191872A4200000
    M30 × 3.5 mm5024ISO Class 10
    DIN 6915191872A1220000
     
    Extreme-Strength Steel
    Image of Product. Front orientation. Hex Nuts. Heavy-Profile Hex Nuts.
    These nuts are about 20% stronger than high-strength steel nuts. To avoid stripped threads during installation, make sure your screw has a comparable strength rating.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread Size
    Wd.
    Ht.
    Fastener Strength
    Grade/Class
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    Steel
    1/4"-20
    1/2"15/64"ASTM Grade 2H
    ASTM A194
    10090521A106000000
    1/4"-28
    1/2"15/64"ASTM Grade 2H
    ASME B18.2.2, ASTM A1945090521A10400000
    5/16"-18
    9/16"19/64"ASTM Grade 2H
    ASTM A194
    5090521A10700000
    5/16"-24
    9/16"19/64"ASTM Grade 2H
    ASME B18.2.2, ASTM A1945090521A10800000
    3/8"-16
    11/16"23/64"ASTM Grade 2H
    ASTM A194
    5090521A22500000
    3/8"-24
    11/16"23/64"ASTM Grade 2H
    ASME B18.2.2, ASTM A1942590521A2290000
    7/16"-14
    3/4"27/64"ASTM Grade 2H
    ASTM A194
    2590521A10900000
    7/16"-20
    3/4"27/64"ASTM Grade 2H
    ASME B18.2.2, ASTM A1942590521A11000000
    1/2"-13
    7/8"31/64"ASTM Grade 2H
    ASTM A194
    2590521A23500000
    1/2"-20
    7/8"31/64"ASTM Grade 2H
    ASME B18.2.2, ASTM A1942590521A23600000
    9/16"-12
    15/16"35/64"ASTM Grade 2H
    ASME B18.2.2, ASTM A1941090521A2810000
    5/8"-11
    1 1/16"39/64"ASTM Grade 2H
    ASTM A194
    1090521A24000000
    5/8"-18
    1 1/16"39/64"ASTM Grade 2H
    ASME B18.2.2, ASTM A1942590521A24200000
    3/4"-10
    1 1/4"47/64"ASTM Grade 2H
    ASTM A194
    1090521A24500000
    3/4"-16
    1 1/4"47/64"ASTM Grade 2H
    ASME B18.2.2, ASTM A1941090521A24700000
    7/8"-9
    1 7/16"55/64"ASTM Grade 2H
    ASTM A194
    1090521A25000000
    7/8"-14
    1 7/16"55/64"ASTM Grade 2H
    ASME B18.2.2, ASTM A1941090521A25300000
    1"-8
    1 5/8"63/64"ASTM Grade 2H
    ASTM A194
    590521A25500000
    1"-12
    1 5/8"63/64"ASTM Grade 2H
    ASME B18.2.2, ASTM A194190521A2570000
    1"-14
    1 5/8"63/64"ASTM Grade 2H
    ASME B18.2.2, ASTM A194590521A25900000
    1 1/8"-7
    1 13/16"1 7/64"ASTM Grade 2H
    ASTM A194
    190521A2600000
    1 1/8"-8
    1 13/16"1 7/64"ASTM Grade 2H
    ASTM A194
    190521A2650000
    1 1/8"-12
    1 13/16"1 7/64"ASTM Grade 2H
    ASME B18.2.2, ASTM A194190521A2670000
    1 1/4"-7
    2"1 7/32"ASTM Grade 2H
    ASTM A194
    190521A2700000
    1 1/4"-8
    2"1 7/32"ASTM Grade 2H
    ASTM A194
    190521A2750000
    1 1/4"-12
    2"1 7/32"ASTM Grade 2H
    ASME B18.2.2, ASTM A194190521A2780000
    1 3/8"-6
    2 3/16"1 11/32"ASTM Grade 2H
    ASME B18.2.2, ASTM A194190521A2900000
    1 3/8"-8
    2 3/16"1 11/32"ASTM Grade 2H
    ASTM A194
    190521A0420000
    1 3/8"-12
    2 3/16"1 11/32"ASTM Grade 2H
    ASME B18.2.2, ASTM A194190521A2950000
    1 1/2"-6
    2 3/8"1 15/32"ASTM Grade 2H
    ASTM A194
    190521A0390000
    1 1/2"-8
    2 3/8"1 15/32"ASTM Grade 2H
    ASTM A194
    190521A0410000
    1 1/2"-12
    2 3/8"1 15/32"ASTM Grade 2H
    ASTM A194
    190521A0520000
    1 5/8"-8
    2 9/16"1 19/32"ASTM Grade 2H
    ASME B18.2.2, ASTM A194190521A0550000
    1 3/4"-5
    2 3/4"1 23/32"ASTM Grade 2H
    ASTM A194
    190521A04300000
    1 3/4"-8
    2 3/4"1 23/32"ASTM Grade 2H
    ASTM A194
    190521A04400000
    1 7/8"-8
    2 15/16"1 27/32"ASTM Grade 2H
    ASME B18.2.2, ASTM A194190521A03700000
    2"-4 1/2
    3 1/8"1 31/32"ASTM Grade 2H
    ASTM A194
    190521A03800000
    2"-8
    3 1/8"1 31/32"ASTM Grade 2H
    ASTM A194
    190521A04600000
    2 1/4"-4 1/2
    3 1/2"2 13/64"ASTM Grade 2H
    ASME B18.2.2, ASTM A194190521A28200000
    2 1/4"-8
    3 1/2"2 13/64"ASTM Grade 2H
    ASME B18.2.2, ASTM A194190521A05000000
    2 1/2"-4
    3 7/8"2 29/64"ASTM Grade 2H
    ASME B18.2.2, ASTM A194190521A28300000
    M10 × 1.5 mm19 mm12 mmASTM Grade 2H
    ASTM A194
    598498A1110000
    M12 × 1.75 mm21 mm12 mmASTM Grade 2H
    ASTM A194, DIN 6915598498A1000000
    M14 × 2 mm24 mm14 mmASTM Grade 2H
    ASTM A194, DIN 6915598498A1120000
    M16 × 2 mm27 mm17 mmASTM Grade 2H
    ASTM A194, DIN 6915598498A3000000
    M18 × 2.5 mm30 mm19 mmASTM Grade 2H
    ASTM A194, DIN 6915598498A11300000
    M20 × 2.5 mm33 mm20 mmASTM Grade 2H
    ASTM A194, DIN 6915598498A50000000
    M22 × 2.5 mm36 mm23 mmASTM Grade 2H
    ASTM A194, DIN 6915198498A1140000
    M24 × 3 mm41 mm24 mmASTM Grade 2H
    ASTM A194, DIN 6915198498A6000000
    M27 × 3 mm46 mm27 mmASTM Grade 2H
    ASTM A194, DIN 6915198498A1150000
    M30 × 3.5 mm50 mm30 mmASTM Grade 2H
    ASTM A194, DIN 6915198498A70000000
    M33 × 3.5 mm55 mm33 mmASTM Grade 2H
    ASTM A194, DIN 6915198498A11600000
    M36 × 3 mm60 mm36 mmASTM Grade 2H
    ASTM A194, DIN 6915198498A12300000
    M36 × 4 mm60 mm36 mmASTM Grade 2H
    ASTM A194, DIN 6915198498A80000000
    M39 × 4 mm65 mm39 mmASTM Grade 2H
    ASTM A194
    198498A11700000
    M42 × 3 mm70 mm42 mmASTM Grade 2H
    ASTM A194
    198498A14000000
    M42 × 4.5 mm70 mm42 mmASTM Grade 2H
    ASTM A194
    198498A11800000
    M45 × 4.5 mm75 mm45 mmASTM Grade 2H
    ASTM A194
    198498A21100000
    M48 × 3 mm80 mm48 mmASTM Grade 2H
    ASTM A194
    198498A21200000
    M48 × 5 mm80 mm48 mmASTM Grade 2H
    ASTM A194
    198498A11900000
    M52 × 5 mm85 mm52 mmASTM Grade 2H
    ASTM A194
    198498A12100000
    M56 × 5.5 mm90 mm56 mmASTM Grade 2H
    ASTM A194
    198498A21300000
    M64 × 6 mm100 mm64 mmASTM Grade 2H
    ASTM A194
    198498A12200000
     
    Low-Strength Steel
    Image of Product. Front orientation. Hex Nuts. Heavy-Profile Hex Nuts.
    Rated Grade 2, Class 6, or lower, these nuts are about half as strong as medium-strength nuts. They are suitable for light duty fastening applications, such as securing access panels. Use them with screws that have a similar strength rating to avoid stripping threads during installation.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread
    Size
    Wd.
    Ht.
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    Steel
    1/4"-20
    1/2"15/64"ASME B18.2.210090498A02900000
    5/16"-18
    9/16"19/64"ASME B18.2.210090498A0300000
    3/8"-16
    11/16"23/64"ASME B18.2.210090498A03100000
    7/16"-14
    3/4"27/64"ASME B18.2.25090498A03200000
    1/2"-13
    7/8"31/64"ASME B18.2.25090498A03300000
    9/16"-12
    15/16"35/64"ASME B18.2.2, SAE J9952590498A3450000
    5/8"-11
    1 1/16"39/64"ASME B18.2.22590498A35500000
    3/4"-10
    1 1/4"47/64"ASME B18.2.22590498A36500000
    1"-8
    1 5/8"63/64"ASME B18.2.2590498A38500000
    1 1/8"-7
    1 13/16"1 7/64"ASME B18.2.2590498A39500000
    1 1/4"-7
    2"1 7/32"ASME B18.2.2590498A41000000
    1 3/8"-6
    2 3/16"1 11/32"ASME B18.2.2190498A0420000
    1 1/2"-6
    2 3/8"1 15/32"ASME B18.2.2190498A0410000
    2"-4 1/2
    3 1/8"1 31/32"ASME B18.2.2190498A04600000
     
    Corrosion-Resistant Stainless Steel
    Image of Product. Front orientation. Hex Nuts. Heavy-Profile Hex Nuts.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these nuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Super-Corrosion-Resistant 316 Stainless Steel—Superior to 18-8 stainless steel, these nuts won't degrade when exposed to harsh weather, salt water, and most chemicals.
    Thread
    Size
    Wd.
    Ht.
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    1/4"-20
    1/2"15/64"10091849A029000000
    1/4"-28
    1/2"15/64"5091849A1280000
    5/16"-18
    9/16"19/64"5091849A0300000
    5/16"-24
    9/16"19/64"2591849A1310000
    3/8"-16
    11/16"23/64"2591849A6250000
    3/8"-24
    11/16"23/64"1091849A6280000
    7/16"-14
    3/4"27/64"1091849A6300000
    7/16"-20
    3/4"27/64"1091849A6550000
    1/2"-13
    7/8"31/64"1091849A6350000
    1/2"-20
    7/8"31/64"591849A6360000
    9/16"-12
    15/16"35/64"591849A6370000
    5/8"-11
    1 1/16"39/64"1091849A64000000
    5/8"-18
    1 1/16"39/64"591849A6600000
    3/4"-10
    1 1/4"47/64"591849A6450000
    3/4"-16
    1 1/4"47/64"191849A6650000
    7/8"-9
    1 7/16"55/64"191849A6500000
    1"-8
    1 5/8"63/64"191849A0380000
    1 1/8"-7
    1 13/16"1 7/64"191849A0390000
    1 1/4"-7
    2"1 7/32"191849A0400000
    1 3/8"-6
    2 3/16"1 11/32"191849A0420000
    1 1/2"-6
    2 3/8"1 15/32"191849A04300000
    1 3/4"-5
    2 3/4"1 23/32"191849A04400000
    2"-4 1/2
    3 1/8"1 31/32"191849A04800000
     
    Super-Corrosion-Resistant 316 Stainless Steel
    1/4"-20
    1/2"15/64"5091850A02900000
    1/4"-28
    1/2"15/64"2591850A12800000
    5/16"-18
    9/16"19/64"2591850A1850000
    5/16"-24
    9/16"19/64"1091850A1880000
    3/8"-16
    11/16"23/64"1091850A1900000
    3/8"-24
    11/16"23/64"591850A1930000
    7/16"-14
    3/4"27/64"1091850A1950000
    7/16"-20
    3/4"27/64"591850A2300000
    1/2"-13
    7/8"31/64"591850A2100000
    1/2"-20
    7/8"31/64"591850A20400000
    5/8"-11
    1 1/16"39/64"591850A2200000
    5/8"-18
    1 1/16"39/64"191850A2350000
    3/4"-10
    1 1/4"47/64"191850A2250000
    3/4"-16
    1 1/4"47/64"191850A2400000
    7/8"-9
    1 7/16"55/64"191850A0370000
    1"-8
    1 5/8"63/64"191850A0380000
    1 1/8"-7
    1 13/16"1 7/64"191850A0390000
    1 1/4"-7
    2"1 7/32"191850A0400000
    1 3/8"-6
    2 3/16"1 11/32"191850A04200000
    1 1/2"-6
    2 3/8"1 15/32"191850A04300000
    1 3/4"-5
    2 3/4"1 23/32"191850A04600000
    2"-4 1/2
    3 1/8"1 31/32"191850A04900000
     

    Heavy-Profile Hex Nuts for High-Pressure Applications

    These nuts are hardened, so they maintain their strength under high pressure and temperature. Pair them with ASTM A193 screws to fasten critical components, such as valves and flanges, in pressure tanks, boilers, and heat exchangers. About 10% wider and taller than standard-profile hex nuts, these handle heavier loads by distributing them over a larger area.
    High-Strength Steel
    Image of Product. Bottom orientation. Hex Nuts. Heavy-Profile Hex Nuts for High-Pressure Applications.
    Rated Grade 7 or Grade 8, these nuts are about 25% stronger than medium-strength steel nuts. To avoid stripped threads during installation, make sure your screw has a comparable strength rating.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread
    Size
    Wd.
    Ht.
    Fastener Strength
    Grade/Class
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    Steel
    1/4"-20
    1/2"15/64"ASTM Grade 7
    ASTM A194
    1094485A12100000
    3/8"-16
    11/16"23/64"ASTM Grade 7
    ASTM A194
    1094485A0290000
    1/2"-13
    7/8"31/64"ASTM Grade 7
    ASTM A194
    1094485A03300000
    5/8"-11
    1 1/16"39/64"ASTM Grade 7
    ASTM A194
    1094485A03500000
    3/4"-10
    1 1/4"47/64"ASTM Grade 7
    ASTM A194
    1094485A03600000
    7/8"-9
    1 7/16"55/64"ASTM Grade 7
    ASTM A194
    594485A0370000
    1"-8
    1 5/8"63/64"ASTM Grade 7
    ASTM A194
    594485A03800000
    1 1/8"-7
    1 13/16"1 7/64"ASTM Grade 7
    ASTM A194
    194485A0410000
    1 1/8"-8
    1 13/16"1 7/64"ASTM Grade 7
    ASTM A194
    194485A1110000
    1 1/4"-7
    2"1 7/32"ASTM Grade 7
    ASTM A194
    194485A0440000
    1 1/4"-8
    2"1 7/32"ASTM Grade 7
    ASTM A194
    194485A1120000
     
    Corrosion-Resistant Stainless Steel
    Image of Product. Bottom orientation. Hex Nuts. Heavy-Profile Hex Nuts for High-Pressure Applications.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these nuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Super-Corrosion-Resistant 316 Stainless Steel—Superior to 18-8 stainless steel, these nuts won't degrade when exposed to harsh weather, salt water, and most chemicals.
    Thread
    Size
    Wd.
    Ht.
    Fastener Strength
    Grade/Class
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    1/4"-28
    1/2"15/64"ASTM Grade 8
    ASTM A194
    194252A705000000
    5/16"-24
    9/16"19/64"ASTM Grade 8
    ASTM A194
    194252A70700000
    3/8"-24
    11/16"23/64"ASTM Grade 8
    ASTM A194
    194252A71000000
    7/16"-14
    3/4"27/64"ASTM Grade 8
    ASTM A194
    194252A71100000
    7/16"-20
    3/4"27/64"ASTM Grade 8
    ASTM A194
    194252A71300000
    1/2"-20
    7/8"31/64"ASTM Grade 8
    ASTM A194
    194252A71400000
    5/8"-18
    1 1/16"39/64"ASTM Grade 8
    ASTM A194
    194252A71600000
    3/4"-16
    1 1/4"47/64"ASTM Grade 8
    ASTM A194
    194252A72000000
    1"-14
    1 5/8"63/64"ASTM Grade 8
    ASTM A194
    194252A72600000
    1 1/4"-7
    2"1 7/32"ASTM Grade 8
    ASTM A194
    194252A7350000
     
    Super-Corrosion-Resistant 316 Stainless Steel
    1/4"-20
    1/2"1/4"ASTM Grade 8M
    ASTM A194
    5097619A8900000
    5/16"-18
    9/16"19/64"ASTM Grade 8M
    ASTM A194
    1097619A1100000
    3/8"-16
    11/16"23/64"ASTM Grade 8M
    ASTM A194
    597619A2200000
    7/16"-14
    3/4"27/64"ASTM Grade 8M
    ASTM A194
    597619A3300000
    1/2"-13
    7/8"31/64"ASTM Grade 8M
    ASTM A194
    597619A4400000
    5/8"-11
    1 1/16"39/64"ASTM Grade 8M
    ASTM A194
    197619A5500000
    3/4"-10
    1 1/4"47/64"ASTM Grade 8M
    ASTM A194
    197619A6600000
    1"-8
    1 5/8"63/64"ASTM Grade 8M
    ASTM A194
    197619A8800000
    1 1/8"-7
    1 13/16"1 9/64"ASTM Grade 8M
    ASTM A194
    197619A9100000
    1 1/8"-8
    1 13/16"1 9/64"ASTM Grade 8M
    ASTM A194
    197619A9200000
    1 1/4"-7
    2"1 1/4"ASTM Grade 8M
    ASTM A194
    197619A9300000
    1 1/4"-8
    2"1 1/4"ASTM Grade 8M
    ASTM A194
    197619A9400000
    1 1/2"-8
    2 3/8"1 1/2"ASTM Grade 8M
    ASTM A194
    197619A96000000
    1 5/8"-8
    2 9/16"1 5/8"ASTM Grade 8M
    ASTM A194
    197619A97000000
    1 3/4"-8
    2 3/4"1 3/4"ASTM Grade 8M
    ASTM A194
    197619A98000000
    2"-8
    3 1/8"2 1/64"ASTM Grade 8M
    ASTM A194
    197619A99000000
     
    Corrosion-Resistant Stainless Steel with Material Certificate
    Image of Product. Bottom orientation. Hex Nuts. Heavy-Profile Hex Nuts for High-Pressure Applications.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these nuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Super-Corrosion-Resistant 316 Stainless Steel—Superior to 18-8 stainless steel, these nuts won't degrade when exposed to harsh weather, salt water, and most chemicals.
    Thread
    Size
    Wd.
    Ht.
    Fastener Strength
    Grade/Class
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    1/4"-20
    1/2"15/64"ASTM Grade 8
    ASTM A194
    2594252A703000000
    5/16"-18
    9/16"19/64"ASTM Grade 8
    ASTM A194
    1094252A7060000
    3/8"-16
    11/16"23/64"ASTM Grade 8
    ASTM A194
    1094252A70900000
    1/2"-13
    7/8"31/64"ASTM Grade 8
    ASTM A194
    1094252A71200000
    5/8"-11
    1 1/16"39/64"ASTM Grade 8
    ASTM A194
    594252A71500000
    3/4"-10
    1 1/4"47/64"ASTM Grade 8
    ASTM A194
    194252A7190000
    7/8"-9
    1 7/16"55/64"ASTM Grade 8
    ASTM A194
    194252A7220000
    1"-8
    1 5/8"63/64"ASTM Grade 8
    ASTM A194
    194252A72500000
    1 1/8"-7
    1 13/16"1 7/64"ASTM Grade 8
    ASTM A194
    194252A7300000
     
    Super-Corrosion-Resistant 316 Stainless Steel
    7/8"-9
    1 7/16"55/64"ASTM Grade 8M
    ASTM A194
    197619A7700000
    1 1/2"-6
    2 3/8"1 1/2"ASTM Grade 8M
    ASTM A194
    197619A95000000
     

    Structural Heavy-Profile Hex Nuts

    These nuts are designed to secure ASTM A325 screws in structural joints, such as mating I-beams, columns, and joists. About 10% wider and taller than standard-profile hex nuts, they handle heavier loads by distributing them over a larger area.
    High-Strength Steel
    Image of Product. Front orientation. Hex Nuts. Structural Heavy-Profile Hex Nuts.
    Rated Grade 8, Grade C, or Class 10, these nuts are about 25% stronger than medium-strength steel nuts. To avoid stripped threads during installation, make sure your screw has a comparable strength rating.
    Black-Oxide Steel—Typically chosen for their appearance, these nuts have a dark, matte coating to create a finished look. They offer minimal corrosion resistance, so they're best for dry environments.
    Hot-Dipped Galvanized Steel—Combines the strength of steel with the rust resistance of stainless steel. These nuts are an economical alternative to 18-8 stainless steel in wet and outdoor environments, but they won't hold up to salt water and chemicals. The galvanized finish is thicker than other types of coatings, so the threads may be more likely to stick during installation. Use with other hot-dipped galvanized fasteners.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread
    Size
    Wd.
    Ht.
    Fastener Strength
    Grade/Class
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    Black-Oxide Steel
    1/2"-13
    7/8"31/64"ASTM Grade C
    ASTM A563
    1090580A10900000
    5/8"-11
    1 1/16"39/64"ASTM Grade C
    ASTM A563
    1090580A20400000
    3/4"-10
    1 1/4"47/64"ASTM Grade C
    ASTM A563
    590580A3120000
    7/8"-9
    1 7/16"55/64"ASTM Grade C
    ASTM A563
    190580A3660000
    1"-8
    1 5/8"63/64"ASTM Grade C
    ASTM A563
    190580A3830000
    1 1/8"-7
    1 3/4"1 7/64"ASTM Grade C
    ASTM A563
    190580A4000000
    1 1/4"-7
    2"1 7/32"ASTM Grade C
    ASTM A563
    190580A69700000
    1 1/2"-6
    2 3/8"1 15/32"ASTM Grade C
    ASTM A563
    190580A71700000
     
    Hot-Dipped Galvanized Steel
    1/2"-13
    7/8"31/64"ASTM Grade C
    ASTM A563
    590580A7370000
    5/8"-11
    1 1/16"39/64"ASTM Grade C
    ASTM A563
    190580A7880000
    3/4"-10
    1 1/4"47/64"ASTM Grade C
    ASTM A563
    190580A7920000
    7/8"-9
    1 7/16"55/64"ASTM Grade C
    ASTM A563
    190580A81500000
    1"-8
    1 5/8"63/64"ASTM Grade C
    ASTM A563
    190580A82200000
    1 1/8"-7
    1 3/4"1 7/64"ASTM Grade C
    ASTM A563
    190580A82300000
    1 1/4"-7
    2"1 7/32"ASTM Grade C
    ASTM A563
    190580A82700000
     
    Steel
    1/2"-13
    7/8"31/64"ASTM Grade C
    ASTM A563
    2590580A31500000
    5/8"-11
    1 1/16"39/64"ASTM Grade C
    ASTM A563
    1090580A3200000
    3/4"-10
    1 1/4"47/64"ASTM Grade C
    ASTM A563
    1090580A32500000
    7/8"-9
    1 7/16"55/64"ASTM Grade C
    ASTM A563
    1090580A33000000
    1"-8
    1 5/8"63/64"ASTM Grade C
    ASTM A563
    590580A33500000
    1 1/8"-7
    1 3/4"1 7/64"ASTM Grade C
    ASTM A563
    190580A8440000
    1 1/4"-7
    2"1 7/32"ASTM Grade C
    ASTM A563
    190580A3450000
    1 1/2"-6
    2 3/8"1 15/32"ASTM Grade C
    ASTM A563
    190580A95700000
     
    Extreme-Strength Steel
    Image of Product. Front orientation. Hex Nuts. Structural Heavy-Profile Hex Nuts.
    Rated Grade DH, these nuts are about 20% stronger than high-strength steel nuts. To avoid stripped threads during installation, make sure your screw has a comparable strength rating.
    Hot-Dipped Galvanized Steel—Combines the strength of steel with the rust resistance of stainless steel. These nuts are an economical alternative to 18-8 stainless steel in wet and outdoor environments, but they won't hold up to salt water and chemicals. The galvanized finish is thicker than other types of coatings, so the threads may be more likely to stick during installation. Use with other hot-dipped galvanized fasteners.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread
    Size
    Wd.
    Ht.
    Fastener Strength
    Grade/Class
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    Hot-Dipped Galvanized Steel
    1/2"-13
    7/8"31/64"ASTM Grade DH
    ASTM A563
    2591694A315000000
    5/8"-11
    1 1/16"39/64"ASTM Grade DH
    ASTM A563
    1091694A32000000
    3/4"-10
    1 1/4"47/64"ASTM Grade DH
    ASTM A563
    1091694A32500000
    7/8"-9
    1 7/16"55/64"ASTM Grade DH
    ASTM A563
    1091694A33000000
    1"-8
    1 5/8"63/64"ASTM Grade DH
    ASTM A563
    591694A33500000
    1 1/4"-7
    2"1 7/32"ASTM Grade DH
    ASTM A563
    191694A3400000
    1 1/2"-6
    2 3/8"1 15/32"ASTM Grade DH
    ASTM A563
    191694A34500000
     
    Steel
    1/2"-13
    7/8"31/64"ASTM Grade DH
    ASTM A563
    2598427A15000000
    5/8"-11
    1 1/16"39/64"ASTM Grade DH
    ASTM A563
    1098427A20000000
    3/4"-10
    1 1/4"47/64"ASTM Grade DH
    ASTM A563
    1098427A25000000
    7/8"-9
    1 7/16"55/64"ASTM Grade DH
    ASTM A563
    598427A30000000
    1"-8
    1 5/8"63/64"ASTM Grade DH
    ASTM A563
    198427A3500000
    1 1/8"-7
    1 13/16"1 7/64"ASTM Grade DH
    ASTM A563
    198427A4000000
    1 1/4"-7
    2"1 7/32"ASTM Grade DH
    ASTM A563
    198427A4500000
    1 1/2"-6
    2 3/8"1 15/32"ASTM Grade DH
    ASTM A563
    198427A60000000
     

    Left-Hand-Thread Heavy-Profile Hex Nuts

    These nuts tighten when turned to the left. Use them with left-hand rods and screws to prevent counterclockwise-moving parts from loosening. About 10% wider and taller than standard-profile hex nuts, these handle heavier loads by distributing them over a larger area.
    Medium-Strength Steel
    Image of Product. Front orientation. Contains Annotated, MultipleImages. Hex Nuts. Left-Hand-Thread Heavy-Profile Hex Nuts.
    These Grade 5 or Class 8 nuts are your go-to for fastening most machinery and equipment. To avoid stripped threads during installation, make sure your screw has a comparable strength rating.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread
    Size
    Wd.
    Ht.
    Fastener Strength
    Grade/Class
    Pkg.
    Qty.
    Pkg.
    Steel
    1/4"-20
    1/2"15/64"SAE Grade 5
    2590570A71000000
    3/8"-16
    11/16"23/64"SAE Grade 5
    1090570A7200000
    1/2"-13
    7/8"31/64"SAE Grade 5
    1090570A72500000
    5/8"-11
    1 1/16"39/64"SAE Grade 5
    590570A7300000
    3/4"-10
    1 1/4"47/64"SAE Grade 5
    590570A73500000
    1"-8
    1 5/8"63/64"SAE Grade 5
    190570A0380000
     

    High-Profile Hex Nuts

    Slightly taller than standard-profile hex nuts, these have a larger gripping area so your wrench or socket won't slip off as you tighten them. They're often used in vehicles and machinery where fasteners can be difficult to reach.
    High-Strength Steel
    Image of Product. Front orientation. Hex Nuts. High-Profile Hex Nuts.
    Rated Grade 8, Grade C, or Class 10, these nuts are about 25% stronger than medium-strength steel nuts. They are commonly used to fasten components in valves, pumps, motors, and other high-stress applications. To avoid stripped threads during installation, make sure your screw has a comparable strength rating.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread
    Size
    Wd.
    Ht.
    Fastener Strength
    Grade/Class
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    Steel
    3/8"-16
    9/16"17/32"SAE Grade 8
    SAE J995
    190565A12000000
    3/8"-24
    9/16"17/32"SAE Grade 8
    SAE J995
    190565A36000000
    7/16"-20
    5/8"39/64"SAE Grade 8
    SAE J995
    2590565A32500000
    1/2"-13
    3/4"11/16"SAE Grade 8
    SAE J995
    190565A1400000
    1/2"-20
    3/4"11/16"SAE Grade 8
    SAE J995
    2590565A33000000
    9/16"-18
    7/8"49/64"SAE Grade 8
    SAE J995
    1090565A3330000
    5/8"-11
    15/16"27/32"SAE Grade 8
    SAE J995
    190565A1600000
    5/8"-18
    15/16"27/32"SAE Grade 8
    SAE J995
    1090565A33500000
    3/4"-10
    1 1/16"1"SAE Grade 8
    SAE J995
    190565A18000000
    3/4"-16
    1 1/8"1"SAE Grade 8
    SAE J995
    1090565A34000000
    7/8"-14
    1 5/16"1 5/32"SAE Grade 8
    SAE J995
    590565A34500000
    1"-8
    1 1/2"1 5/16"SAE Grade 8
    SAE J995
    190565A22000000
    1"-14
    1 7/16"1 5/16"SAE Grade 8
    SAE J995
    590565A35000000
    1 1/4"-12
    1 13/16"1 5/8"SAE Grade 8
    SAE J995
    190565A35500000
    1 1/2"-12
    2 3/16"2"SAE Grade 8
    SAE J995
    190565A06100000
     
    Corrosion-Resistant Stainless Steel
    Image of Product. Front orientation. Hex Nuts. High-Profile Hex Nuts.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these nuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Thread
    Size
    Wd.
    Ht.
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    1/4"-20
    7/16"11/32"191763A11000000
    5/16"-18
    1/2"21/64"191763A2100000
    3/8"-16
    9/16"17/32"191763A3100000
    1/2"-13
    3/4"11/16"191763A4100000
     

    Thin-Heavy-Profile Hex Nuts

    About half the height of standard-profile hex nuts and 10% wider, these fit in spaces with low clearance and handle heavier loads by distributing them over a larger area. You can also use them as jam nuts by threading them against another hex nut to hold it in place.
    Extreme-Strength Steel
    Image of Product. Front orientation. Hex Nuts. Thin-Heavy-Profile Hex Nuts.
    These nuts are about 20% stronger than high-strength steel nuts. To avoid stripped threads during installation, make sure your screw has a comparable strength rating.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread
    Size
    Wd.
    Ht.
    Fastener Strength
    Grade/Class
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    Steel
    1/4"-20
    1/2"11/64"ASTM Grade 2H
    ASME B18.2.2, ASTM A194195010A13000000
    3/8"-16
    11/16"15/64"ASTM Grade 2H
    ASME B18.2.2, ASTM A194595010A14000000
    7/16"-14
    3/4"17/64"ASTM Grade 2H
    ASME B18.2.2, ASTM A194195010A1450000
    1/2"-13
    7/8"19/64"ASTM Grade 2H
    ASME B18.2.2, ASTM A194595010A15000000
    5/8"-11
    1 1/16"23/64"ASTM Grade 2H
    ASME B18.2.2, ASTM A194195010A1600000
    3/4"-10
    1 1/4"27/64"ASTM Grade 2H
    ASME B18.2.2, ASTM A194195010A1650000
    7/8"-9
    1 7/16"31/64"ASTM Grade 2H
    ASME B18.2.2, ASTM A194195010A1700000
    1"-8
    1 5/8"35/64"ASTM Grade 2H
    ASME B18.2.2, ASTM A194195010A1750000
    1 1/8"-7
    1 13/16"39/64"ASTM Grade 2H
    ASME B18.2.2, ASTM A194195010A1800000
    1 1/4"-7
    2"23/32"ASTM Grade 2H
    ASME B18.2.2, ASTM A194195010A1900000
    1 3/8"-6
    2 3/16"25/32"ASTM Grade 2H
    ASME B18.2.2, ASTM A194195010A3200000
    1 1/2"-6
    2 3/8"27/32"ASTM Grade 2H
    ASME B18.2.2, ASTM A194195010A2100000
    1 3/4"-5
    2 3/4"31/32"ASTM Grade 2H
    ASME B18.2.2, ASTM A194195010A22000000
    2"-4 1/2
    3 1/8"1 3/32"ASTM Grade 2H
    ASME B18.2.2, ASTM A194195010A24000000
     
    Low-Strength Steel
    Image of Product. Front orientation. Hex Nuts. Thin-Heavy-Profile Hex Nuts.
    Rated Grade 2, Class 6, or lower, these nuts are about half as strong as medium-strength nuts. They are suitable for light duty fastening applications, such as securing access panels. Use them with screws that have a similar strength rating to avoid stripping threads during installation.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread
    Size
    Wd.
    Ht.
    Fastener Strength
    Grade/Class
    Pkg.
    Qty.
    Pkg.
    Steel
    1/4"-20
    1/2"11/64"SAE Grade 2
    10090502A02900000
    5/16"-18
    9/16"13/64"SAE Grade 2
    10090502A0300000
    3/8"-16
    11/16"15/64"SAE Grade 2
    10090502A03100000
    7/16"-14
    3/4"17/64"SAE Grade 2
    5090502A0320000
    1/2"-13
    7/8"19/64"SAE Grade 2
    5090502A03300000
    5/8"-11
    1 1/16"23/64"SAE Grade 2
    2590502A41000000
    3/4"-10
    1 1/4"27/64"SAE Grade 2
    2590502A41500000
    7/8"-9
    1 7/16"31/64"SAE Grade 2
    1090502A42000000
    1"-8
    1 5/8"35/64"SAE Grade 2
    1090502A42500000
    1 1/8"-7
    1 13/16"39/64"SAE Grade 2
    590502A43000000
    1 1/4"-7
    2"23/32"SAE Grade 2
    590502A43500000
    1 1/2"-6
    2 3/8"27/32"SAE Grade 2
    190502A4400000
    1 3/4"-5
    2 3/4"31/32"SAE Grade 2
    190502A0440000
    2"-4 1/2
    3 1/8"1 3/32"SAE Grade 2
    190502A04600000
    2 1/2"-4
    3 7/8"1 29/64"SAE Grade 2
    190502A04900000
     
    Corrosion-Resistant Stainless Steel
    Image of Product. Front orientation. Hex Nuts. Thin-Heavy-Profile Hex Nuts.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these nuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Thread
    Size
    Wd.
    Ht.
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    1/4"-20
    1/2"11/64"2591851A62000000
    5/16"-18
    9/16"13/64"2091851A0300000
    3/8"-16
    11/16"15/64"1091851A6300000
    1/2"-13
    7/8"19/64"1091851A64000000
    5/8"-11
    1 1/16"23/64"591851A64500000
    3/4"-10
    1 1/4"27/64"191851A6500000
    7/8"-9
    1 7/16"31/64"191851A0370000
    1"-8
    1 5/8"35/64"191851A0380000
    1 1/8"-7
    1 13/16"39/64"191851A6550000
    1 1/4"-7
    2"23/32"191851A6600000
    1 1/2"-6
    2 3/8"27/32"191851A66500000
    1 3/4"-5
    2 3/4"31/32"191851A67000000
     

    Narrow-Profile Hex Nuts

    When you have limited space for tightening with a wrench, use these nuts. Since they’re about 20% narrower, they fit in tight spots where standard-profile nuts won't fit. Also known as small-pattern hex nuts.
    Steel
    Image of Product. Bottom orientation. Hex Nuts. Narrow-Profile Hex Nuts.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread
    Size
    Wd.
    Ht.
    Pkg.
    Qty.
    Pkg.
    Steel
    4-40
    3/16"1/16"10090760A21000000
     
    Corrosion-Resistant Stainless Steel
    Image of Product. Bottom orientation. Hex Nuts. Narrow-Profile Hex Nuts.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these nuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Super-Corrosion-Resistant 316 Stainless Steel—Superior to 18-8 stainless steel, these nuts won't degrade when exposed to harsh weather, salt water, and most chemicals.
    Thread Size
    Wd.
    Ht.
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    0-80
    1/8"3/64"5090730A00100000
    1-64
    1/8"3/64"5090730A5110000
    1-72
    7/64"1/16"590001A60500000
    2-56
    5/32"1/16"10090730A0030000
    4-40
    3/16"1/16"10090730A0050000
    5-40
    1/4"3/32"10090730A0060000
    6-32
    1/4"3/32"10090730A0070000
    8-32
    1/4"3/32"10090730A0090000
    8-32
    5/16"7/64"10090730A0100000
    10-24
    5/16"7/64"10090730A0110000
    10-24
    11/32"1/8"10090730A51200000
    10-32
    5/16"7/64"10090730A4110000
    10-32
    11/32"1/8"10090730A01500000
     
    Super-Corrosion-Resistant 316 Stainless Steel
    4-40
    3/16"1/16"190205A3210000
    5-40
    1/4"3/32"190205A3220000
    6-32
    1/4"3/32"190205A3230000
    8-32
    1/4"3/32"5090205A30900000
    8-32
    5/16"7/64"190205A3240000
    10-24
    1/4"3/32"190205A3250000
    10-24
    5/16"7/64"5090205A31300000
    10-24
    11/32"1/8"190205A3260000
    10-32
    5/16"7/64"5090205A31900000
    10-32
    11/32"1/8"190205A3280000
    M3.5 × 0.6 mm5.5 mm2.5 mm190205A3430000
    M4 × 0.7 mm5.5 mm2.5 mm190205A3440000
    M4 × 0.7 mm7 mm2.9 mm190205A3450000
    M5 × 0.8 mm7 mm2.5 mm190205A3460000
     
    Corrosion-Resistant Stainless Steel with Material Certificate
    Image of Product. Bottom orientation. Hex Nuts. Narrow-Profile Hex Nuts.
    Super-Corrosion-Resistant 316 Stainless Steel—Superior to 18-8 stainless steel, these nuts won't degrade when exposed to harsh weather, salt water, and most chemicals.
    Thread
    Size
    Wd.
    Ht.
    Pkg.
    Qty.
    Pkg.
    Super-Corrosion-Resistant 316 Stainless Steel
    10-32
    1/4"3/32"190205A32700000
    M3 × 0.5 mm5 mm1.7 mm190205A3420000
    M5 × 0.8 mm7.5 mm2.9 mm190205A3470000
     

    Mil. Spec. Narrow-Profile Hex Nuts

    These nuts are manufactured and tested to strict U.S. military standards for material and construction. They are about 20% narrower to fit in tight spots where standard-profile nuts won't fit. Also known as small-pattern hex nuts.
    Corrosion-Resistant Stainless Steel
    Image of Product. Bottom orientation. Hex Nuts. Mil. Spec. Narrow-Profile Hex Nuts.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these nuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Thread
    Size
    Wd.
    Ht.
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    0-80
    1/8"3/64"Fed. Spec. FF-N-836, NAS671C01091834A106000000
    2-56
    5/32"1/16"Fed. Spec. FF-N-836, NAS671C21091834A10100000
    4-40
    3/16"1/16"Fed. Spec. FF-N-836, NAS671C41091834A10200000
    6-32
    1/4"3/32"Fed. Spec. FF-N-836, NAS671C61091834A10300000
    8-32
    5/16"7/64"Fed. Spec. FF-N-836, NAS671C81091834A10400000
    10-32
    11/32"1/8"Fed. Spec. FF-N-836, NAS671C10591834A10500000
     
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