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    256 Products

    Stainless Steel Hex-Drive Precision Shoulder Screws

    Image of Product. Front orientation. Shoulder Screws. Stainless Steel Hex-Drive Precision Shoulder Screws.
    Our go-to choice for assemblies that require smooth, accurate movement. These screws are engineered for tight tolerances, with shoulder diameters twice as precise as those on standard-fit screws. They're made of stainless steel, so they won't rust, though they're not as strong as their alloy steel counterparts.
    Titanium Carbon Nitride (TiCN)-Coated 18-8 Stainless Steel—The outside layer of titanium carbon nitride reduces friction, which allows rotating and sliding components to move smoothly across screw shoulders.
    Head
    Each
    Shoulder
    Lg.
    Thread Size
    Thread
    Lg.
    Dia.
    Ht.
    Drive
    Size
    Tensile Strength,
    psi
    Material Certificate
    Form
    1-4
    5-Up
    Titanium Carbon Nitride (TiCN)-Coated 18-8 Stainless Steel
     
    1/8" Diameter Shoulder (-0.002" to 0" Tolerance)
    1/8"4-40
    5/32"1/4"1/8"5/64"70,00091054A4610000000000
    3/16"4-40
    5/32"1/4"1/8"5/64"70,000Digital
    91054A46200000000
    1/4"4-40
    5/32"1/4"1/8"5/64"70,00091054A46300000000
    3/8"4-40
    5/32"1/4"1/8"5/64"70,000Digital
    91054A46400000000
    1/2"4-40
    5/32"1/4"1/8"5/64"70,00091054A46500000000
    3/4"4-40
    5/32"1/4"1/8"5/64"70,00091054A466000000000
    1"4-40
    5/32"1/4"1/8"5/64"70,00091054A467000000000
     
    5/32" Diameter Shoulder (-0.002" to 0" Tolerance)
    1/8"6-32
    3/16"9/32"1/8"3/32"70,00091054A46800000000
    3/16"6-32
    3/16"9/32"1/8"3/32"70,000Digital
    91054A46900000000
    1/4"6-32
    3/16"9/32"1/8"3/32"70,00091054A471000000000
    3/8"6-32
    3/16"9/32"1/8"3/32"70,000Digital
    91054A472000000000
    1/2"6-32
    3/16"9/32"1/8"3/32"70,000Digital
    91054A4730000000000
    3/4"6-32
    3/16"9/32"1/8"3/32"70,000Digital
    91054A4740000000000
    1"6-32
    3/16"9/32"1/8"3/32"70,00091054A4750000000000
     
    3/16" Diameter Shoulder (-0.002" to 0" Tolerance)
    1/8"8-32
    3/16"5/16"5/32"3/32"70,00091054A476000000000
    3/16"8-32
    3/16"5/16"5/32"3/32"70,00091054A477000000000
    1/4"8-32
    3/16"5/16"5/32"3/32"70,00091054A4780000000000
    3/8"8-32
    3/16"5/16"5/32"3/32"70,000Digital
    91054A4790000000000
    1/2"8-32
    3/16"5/16"5/32"3/32"70,00091054A4810000000000
    3/4"8-32
    3/16"5/16"5/32"3/32"70,000Digital
    91054A4820000000000
    1"8-32
    3/16"5/16"5/32"3/32"70,00091054A4830000000000
     
    1/4" Diameter Shoulder (-0.002" to 0" Tolerance)
    1/8"10-32
    1/4"3/8"3/16"1/8"70,00091054A4840000000000
    3/16"10-32
    1/4"3/8"3/16"1/8"70,000Digital
    91054A4850000000000
    1/4"10-32
    1/4"3/8"3/16"1/8"70,00091054A1000000000000
    3/8"10-32
    1/4"3/8"3/16"1/8"70,00091054A4860000000000
    1/2"10-32
    1/4"3/8"3/16"1/8"70,00091054A1200000000000
    5/8"10-32
    1/4"3/8"3/16"1/8"70,00091054A4870000000000
    3/4"10-32
    1/4"3/8"3/16"1/8"70,00091054A1400000000000
    1"10-32
    1/4"3/8"3/16"1/8"70,000Digital
    91054A1600000000000
    1 1/4"10-32
    1/4"3/8"3/16"1/8"70,00091054A4880000000000
    1 1/2"10-32
    1/4"3/8"3/16"1/8"70,00091054A4890000000000
    2"10-32
    1/4"3/8"3/16"1/8"70,00091054A4910000000000
     
    5/16" Diameter Shoulder (-0.002" to 0" Tolerance)
    1/8"1/4"-20
    3/8"7/16"7/32"5/32"70,000Digital
    91054A4920000000000
    3/16"1/4"-20
    3/8"7/16"7/32"5/32"70,000Digital
    91054A4930000000000
    1/4"1/4"-20
    3/8"7/16"7/32"5/32"70,000Digital
    91054A2100000000000
    3/8"1/4"-20
    3/8"7/16"7/32"5/32"70,000Digital
    91054A4940000000000
    1/2"1/4"-20
    3/8"7/16"7/32"5/32"70,000Digital
    91054A2300000000000
    5/8"1/4"-20
    3/8"7/16"7/32"5/32"70,00091054A4950000000000
    3/4"1/4"-20
    3/8"7/16"7/32"5/32"70,000Digital
    91054A2500000000000
    1"1/4"-20
    3/8"7/16"7/32"5/32"70,000Digital
    91054A2700000000000
    1 1/4"1/4"-20
    3/8"7/16"7/32"5/32"70,000Digital
    91054A4960000000000
    1 1/2"1/4"-20
    3/8"7/16"7/32"5/32"70,00091054A4970000000000
    2"1/4"-20
    3/8"7/16"7/32"5/32"70,00091054A4980000000000
     
    3/8" Diameter Shoulder (-0.002" to 0" Tolerance)
    1/4"5/16"-18
    1/2"9/16"1/4"3/16"70,000Digital
    91054A5010000000000
    3/8"5/16"-18
    1/2"9/16"1/4"3/16"70,00091054A5020000000000
    1/2"5/16"-18
    1/2"9/16"1/4"3/16"70,00091054A3400000000000
    5/8"5/16"-18
    1/2"9/16"1/4"3/16"70,00091054A5030000000000
    3/4"5/16"-18
    1/2"9/16"1/4"3/16"70,000Digital
    91054A3600000000000
    1"5/16"-18
    1/2"9/16"1/4"3/16"70,00091054A3800000000000
    1 1/2"5/16"-18
    1/2"9/16"1/4"3/16"70,00091054A3900000000000
     
    1/2" Diameter Shoulder (-0.002" to 0" Tolerance)
    1/4"3/8"-16
    5/8"3/4"5/16"1/4"70,00091054A5040000000000
    3/8"3/8"-16
    5/8"3/4"5/16"1/4"70,00091054A5050000000000
    1/2"3/8"-16
    5/8"3/4"5/16"1/4"70,00091054A4100000000000
    5/8"3/8"-16
    5/8"3/4"5/16"1/4"70,00091054A5060000000000
    3/4"3/8"-16
    5/8"3/4"5/16"1/4"70,00091054A4300000000000
    1"3/8"-16
    5/8"3/4"5/16"1/4"70,00091054A4500000000000
    1 1/2"3/8"-16
    5/8"3/4"5/16"1/4"70,00091054A4600000000000
     
    4 mm Diameter Shoulder (-0.038 mm to -0.013 mm Tolerance)
    4 mmM3 × 0.5 mm4 mm6 mm3 mm2 mm70,000Digital
    98621A11100000000
    5 mmM3 × 0.5 mm4 mm6 mm3 mm2 mm70,00098621A11200000000
    6 mmM3 × 0.5 mm4 mm6 mm3 mm2 mm70,00098621A113000000000
    8 mmM3 × 0.5 mm4 mm6 mm3 mm2 mm70,00098621A114000000000
    10 mmM3 × 0.5 mm4 mm6 mm3 mm2 mm70,00098621A115000000000
    12 mmM3 × 0.5 mm4 mm6 mm3 mm2 mm70,00098621A116000000000
    14 mmM3 × 0.5 mm4 mm6 mm3 mm2 mm70,00098621A117000000000
    16 mmM3 × 0.5 mm4 mm6 mm3 mm2 mm70,00098621A118000000000
    20 mmM3 × 0.5 mm4 mm6 mm3 mm2 mm70,000Digital
    98621A1190000000000
    25 mmM3 × 0.5 mm4 mm6 mm3 mm2 mm70,00098621A1210000000000
     
    5 mm Diameter Shoulder (-0.038 mm to -0.013 mm Tolerance)
    4 mmM4 × 0.7 mm5 mm8 mm4 mm2.5 mm70,00098621A122000000000
    5 mmM4 × 0.7 mm5 mm8 mm4 mm2.5 mm70,00098621A1230000000000
    6 mmM4 × 0.7 mm5 mm8 mm4 mm2.5 mm70,00098621A1240000000000
    8 mmM4 × 0.7 mm5 mm8 mm4 mm2.5 mm70,00098621A1250000000000
    10 mmM4 × 0.7 mm5 mm8 mm4 mm2.5 mm70,000Digital
    98621A1260000000000
    12 mmM4 × 0.7 mm5 mm8 mm4 mm2.5 mm70,00098621A1270000000000
    14 mmM4 × 0.7 mm5 mm8 mm4 mm2.5 mm70,00098621A1280000000000
    16 mmM4 × 0.7 mm5 mm8 mm4 mm2.5 mm70,00098621A1290000000000
    18 mmM4 × 0.7 mm5 mm8 mm4 mm2.5 mm70,00098621A1310000000000
    20 mmM4 × 0.7 mm5 mm8 mm4 mm2.5 mm70,000Digital
    98621A1320000000000
    25 mmM4 × 0.7 mm5 mm8 mm4 mm2.5 mm70,00098621A1330000000000
     
    6 mm Diameter Shoulder (-0.038 mm to -0.013 mm Tolerance)
    4 mmM5 × 0.8 mm6 mm10 mm5 mm3 mm70,00098621A1340000000000
    5 mmM5 × 0.8 mm6 mm10 mm5 mm3 mm70,00098621A1350000000000
    6 mmM5 × 0.8 mm6 mm10 mm5 mm3 mm70,00098621A1360000000000
    8 mmM5 × 0.8 mm6 mm10 mm5 mm3 mm70,00098621A1370000000000
    10 mmM5 × 0.8 mm6 mm10 mm5 mm3 mm70,00098621A1380000000000
    12 mmM5 × 0.8 mm6 mm10 mm5 mm3 mm70,00098621A1390000000000
    14 mmM5 × 0.8 mm6 mm10 mm5 mm3 mm70,00098621A1410000000000
    16 mmM5 × 0.8 mm6 mm10 mm5 mm3 mm70,00098621A1420000000000
    20 mmM5 × 0.8 mm6 mm10 mm5 mm3 mm70,00098621A1430000000000
    25 mmM5 × 0.8 mm6 mm10 mm5 mm3 mm70,00098621A1440000000000
     
    8 mm Diameter Shoulder (-0.038 mm to -0.013 mm Tolerance)
    8 mmM6 × 1 mm11 mm12 mm6 mm4 mm70,00098621A1450000000000
    10 mmM6 × 1 mm11 mm12 mm6 mm4 mm70,000Digital
    98621A1460000000000
    12 mmM6 × 1 mm11 mm12 mm6 mm4 mm70,00098621A1470000000000
    16 mmM6 × 1 mm11 mm12 mm6 mm4 mm70,00098621A1480000000000
    20 mmM6 × 1 mm11 mm12 mm6 mm4 mm70,00098621A1490000000000
    25 mmM6 × 1 mm11 mm12 mm6 mm4 mm70,00098621A1510000000000
     
    10 mm Diameter Shoulder (-0.038 mm to -0.013 mm Tolerance)
    8 mmM8 × 1.25 mm12 mm14 mm7 mm5 mm70,00098621A1520000000000
    10 mmM8 × 1.25 mm12 mm14 mm7 mm5 mm70,000Digital
    98621A1530000000000
    12 mmM8 × 1.25 mm12 mm14 mm7 mm5 mm70,000Digital
    98621A1540000000000
    16 mmM8 × 1.25 mm12 mm14 mm7 mm5 mm70,00098621A1550000000000
    20 mmM8 × 1.25 mm12 mm14 mm7 mm5 mm70,000Digital
    98621A1560000000000
    25 mmM8 × 1.25 mm12 mm14 mm7 mm5 mm70,000Digital
    98621A1570000000000
     
    12 mm Diameter Shoulder (-0.038 mm to -0.013 mm Tolerance)
    12 mmM10 × 1.5 mm16 mm20 mm8 mm6 mm70,00098621A1580000000000
    16 mmM10 × 1.5 mm16 mm20 mm8 mm6 mm70,00098621A1590000000000
    20 mmM10 × 1.5 mm16 mm20 mm8 mm6 mm70,00098621A1610000000000
    25 mmM10 × 1.5 mm16 mm20 mm8 mm6 mm70,00098621A1620000000000
     
    Shoulder Shims

    Brass Hex-Drive Precision Shoulder Screws

    Image of Product. Front orientation. Shoulder Screws. Brass Hex-Drive Precision Shoulder Screws.
    These screws are nonsparking, nonmagnetic, and won't rust. They are engineered to tight tolerances for assemblies that require smooth and accurate movement, with shoulder diameters twice as precise as those on standard-fit screws.
    360 Brass—These screws produce little friction, so they're ideal anywhere you need smooth motion without lubrication.
    Head
    Each
    Shoulder
    Lg.
    Thread Size
    Thread
    Lg.
    Dia.
    Ht.
    Drive
    Size
    Tensile Strength,
    psi
    Material Certificate
    Form
    1-4
    5-Up
    360 Brass
     
    1/8" Diameter Shoulder (-0.002" to 0" Tolerance)
    1/8"4-40
    5/32"1/4"1/8"5/64"40,00095446A1100000000000
    3/16"4-40
    5/32"1/4"1/8"5/64"40,00095446A13000000000
    1/4"4-40
    5/32"1/4"1/8"5/64"40,00095446A16000000000
    5/16"4-40
    5/32"1/4"1/8"5/64"40,00095446A63100000000
    3/8"4-40
    5/32"1/4"1/8"5/64"40,00095446A19000000000
    7/16"4-40
    5/32"1/4"1/8"5/64"40,00095446A63200000000
    1/2"4-40
    5/32"1/4"1/8"5/64"40,00095446A63300000000
    3/4"4-40
    5/32"1/4"1/8"5/64"40,00095446A63400000000
    1"4-40
    5/32"1/4"1/8"5/64"40,00095446A63500000000
     
    5/32" Diameter Shoulder (-0.002" to 0" Tolerance)
    1/8"6-32
    3/16"9/32"1/8"3/32"40,00095446A63600000000
    3/16"6-32
    3/16"9/32"1/8"3/32"40,00095446A63700000000
    1/4"6-32
    3/16"9/32"1/8"3/32"40,00095446A63800000000
    5/16"6-32
    3/16"9/32"1/8"3/32"40,00095446A63900000000
    3/8"6-32
    3/16"9/32"1/8"3/32"40,000Digital
    95446A64100000000
    7/16"6-32
    3/16"9/32"1/8"3/32"40,00095446A64200000000
    1/2"6-32
    3/16"9/32"1/8"3/32"40,000Digital
    95446A64300000000
    3/4"6-32
    3/16"9/32"1/8"3/32"40,00095446A64400000000
    1"6-32
    3/16"9/32"1/8"3/32"40,000Digital
    95446A64500000000
     
    3/16" Diameter Shoulder (-0.002" to 0" Tolerance)
    1/8"8-32
    3/16"5/16"5/32"3/32"40,00095446A22000000000
    3/16"8-32
    3/16"5/16"5/32"3/32"40,00095446A24000000000
    1/4"8-32
    3/16"5/16"5/32"3/32"40,00095446A26000000000
    5/16"8-32
    3/16"5/16"5/32"3/32"40,00095446A64600000000
    3/8"8-32
    3/16"5/16"5/32"3/32"40,00095446A28000000000
    7/16"8-32
    3/16"5/16"5/32"3/32"40,00095446A64700000000
    1/2"8-32
    3/16"5/16"5/32"3/32"40,00095446A32000000000
    5/8"8-32
    3/16"5/16"5/32"3/32"40,00095446A34000000000
    3/4"8-32
    3/16"5/16"5/32"3/32"40,00095446A36000000000
    1"8-32
    3/16"5/16"5/32"3/32"40,00095446A38000000000
    1 1/4"8-32
    3/16"5/16"5/32"3/32"40,00095446A64800000000
    1 1/2"8-32
    3/16"5/16"5/32"3/32"40,00095446A64900000000
     
    1/4" Diameter Shoulder (-0.002" to 0" Tolerance)
    1/8"10-32
    1/4"3/8"3/16"1/8"40,00095446A41000000000
    3/16"10-32
    1/4"3/8"3/16"1/8"40,000Digital
    95446A43000000000
    1/4"10-32
    1/4"3/8"3/16"1/8"40,00095446A45000000000
    5/16"10-32
    1/4"3/8"3/16"1/8"40,00095446A65100000000
    3/8"10-32
    1/4"3/8"3/16"1/8"40,00095446A47000000000
    7/16"10-32
    1/4"3/8"3/16"1/8"40,00095446A65200000000
    1/2"10-32
    1/4"3/8"3/16"1/8"40,00095446A49000000000
    5/8"10-32
    1/4"3/8"3/16"1/8"40,00095446A51000000000
    3/4"10-32
    1/4"3/8"3/16"1/8"40,00095446A53000000000
    1"10-32
    1/4"3/8"3/16"1/8"40,00095446A55000000000
    1 1/4"10-32
    1/4"3/8"3/16"1/8"40,00095446A65300000000
    1 1/2"10-32
    1/4"3/8"3/16"1/8"40,00095446A65400000000
     
    3/8" Diameter Shoulder (-0.002" to 0" Tolerance)
    1/2"5/16"-18
    1/2"9/16"1/4"3/16"40,00095446A65500000000
    3/4"5/16"-18
    1/2"9/16"1/4"3/16"40,00095446A65600000000
    1"5/16"-18
    1/2"9/16"1/4"3/16"40,00095446A65700000000
    1 1/2"5/16"-18
    1/2"9/16"1/4"3/16"40,00095446A65800000000
     
    1/2" Diameter Shoulder (-0.002" to 0" Tolerance)
    1/2"3/8"-16
    5/8"3/4"5/16"1/4"40,00095446A65900000000
    3/4"3/8"-16
    5/8"3/4"5/16"1/4"40,00095446A66100000000
    1"3/8"-16
    5/8"3/4"5/16"1/4"40,00095446A66200000000
    1 1/2"3/8"-16
    5/8"3/4"5/16"1/4"40,00095446A66300000000
     
    4 mm Diameter Shoulder (-0.025 mm to 0 mm Tolerance)
    4 mmM3 × 0.5 mm4 mm6 mm3 mm2 mm40,00098451A11100000000
    5 mmM3 × 0.5 mm4 mm6 mm3 mm2 mm40,00098451A11200000000
    6 mmM3 × 0.5 mm4 mm6 mm3 mm2 mm40,00098451A11300000000
    8 mmM3 × 0.5 mm4 mm6 mm3 mm2 mm40,00098451A11400000000
    10 mmM3 × 0.5 mm4 mm6 mm3 mm2 mm40,00098451A11500000000
     
    5 mm Diameter Shoulder (-0.025 mm to 0 mm Tolerance)
    4 mmM4 × 0.7 mm9 mm9 mm4 mm2.5 mm40,00098451A11600000000
    5 mmM4 × 0.7 mm9 mm9 mm4 mm2.5 mm40,00098451A11700000000
    6 mmM4 × 0.7 mm9 mm9 mm4 mm2.5 mm40,00098451A11800000000
    8 mmM4 × 0.7 mm9 mm9 mm4 mm2.5 mm40,00098451A11900000000
    10 mmM4 × 0.7 mm9 mm9 mm4 mm2.5 mm40,00098451A12100000000
    12 mmM4 × 0.7 mm9 mm9 mm4 mm2.5 mm40,00098451A12200000000
    16 mmM4 × 0.7 mm9 mm9 mm4 mm2.5 mm40,00098451A12300000000
    20 mmM4 × 0.7 mm9 mm9 mm4 mm2.5 mm40,00098451A12400000000
     
    6 mm Diameter Shoulder (-0.025 mm to 0 mm Tolerance)
    4 mmM5 × 0.8 mm10 mm10 mm4.5 mm3 mm40,00098451A12500000000
    5 mmM5 × 0.8 mm10 mm10 mm4.5 mm3 mm40,00098451A12600000000
    6 mmM5 × 0.8 mm10 mm10 mm4.5 mm3 mm40,00098451A12700000000
    8 mmM5 × 0.8 mm10 mm10 mm4.5 mm3 mm40,00098451A12800000000
    10 mmM5 × 0.8 mm10 mm10 mm4.5 mm3 mm40,00098451A12900000000
    12 mmM5 × 0.8 mm10 mm10 mm4.5 mm3 mm40,00098451A13100000000
    16 mmM5 × 0.8 mm10 mm10 mm4.5 mm3 mm40,00098451A13200000000
    20 mmM5 × 0.8 mm10 mm10 mm4.5 mm3 mm40,00098451A13300000000
     
    8 mm Diameter Shoulder (-0.025 mm to 0 mm Tolerance)
    8 mmM6 × 1 mm11 mm13 mm5.5 mm4 mm40,00098451A13400000000
    10 mmM6 × 1 mm11 mm13 mm5.5 mm4 mm40,00098451A13500000000
    12 mmM6 × 1 mm11 mm13 mm5.5 mm4 mm40,00098451A13600000000
    16 mmM6 × 1 mm11 mm13 mm5.5 mm4 mm40,00098451A13700000000
    20 mmM6 × 1 mm11 mm13 mm5.5 mm4 mm40,00098451A13800000000
     
    10 mm Diameter Shoulder (-0.025 mm to 0 mm Tolerance)
    8 mmM8 × 1.25 mm13 mm16 mm7 mm5 mm40,00098451A13900000000
    10 mmM8 × 1.25 mm13 mm16 mm7 mm5 mm40,00098451A14100000000
    12 mmM8 × 1.25 mm13 mm16 mm7 mm5 mm40,00098451A14200000000
    16 mmM8 × 1.25 mm13 mm16 mm7 mm5 mm40,00098451A14300000000
    18 mmM8 × 1.25 mm13 mm16 mm7 mm5 mm40,00098451A14400000000
    20 mmM8 × 1.25 mm13 mm16 mm7 mm5 mm40,00098451A145000000000
     
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