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    133 Products
    About Hex Nuts
    industrial info icon

    Choose a hex nut with the right profile, material, and strength for your application.

    Hex Nut Profile

    Hex Nut Profile

    Heavy
    Heavy
    Wider and taller than standard nuts to handle heavier loads
    0 products
    High
    High
    Larger gripping area keeps wrenches from slipping off as you tighten
    0 products

    Left-Hand-Thread Thin-Profile Hex Nuts

    Image of Product. Front orientation. Contains Annotated, MultipleImages. Hex Nuts. 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.
    Corrosion-Resistant Stainless Steel
    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.
    Highly 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"—100000000000000
    5-40
    		5/16"3/32"—10000000000000
    10-24
    		3/8"7/64"—10000000000000
    12-24
    		7/16"9/64"—10000000000000
    1/4"-20
    		7/16"5/32"—50000000000000
    1/4"-28
    		7/16"5/32"—50000000000000
    5/16"-18
    		1/2"3/16"—50000000000000
    5/16"-24
    		1/2"3/16"—50000000000000
    3/8"-16
    		9/16"7/32"—50000000000000
    3/8"-24
    		9/16"7/32"—50000000000000
    7/16"-14
    		11/16"1/4"ASME B18.2.210000000000000
    7/16"-20
    		11/16"1/4"ASME B18.2.210000000000000
    1/2"-13
    		3/4"5/16"—50000000000000
    1/2"-20
    		3/4"5/16"—500000000000000
    9/16"-12
    		7/8"5/16"ASME B18.2.210000000000000
    9/16"-18
    		7/8"5/16"ASME B18.2.210000000000000
    5/8"-11
    		15/16"3/8"—10000000000000
    5/8"-18
    		15/16"3/8"—10000000000000
    3/4"-10
    		1 1/8"27/64"—10000000000000
    3/4"-16
    		1 1/8"27/64"—10000000000000
    7/8"-9
    		1 5/16"31/64"ASME B18.2.2100000000000000
    7/8"-14
    		1 5/16"31/64"ASME B18.2.2100000000000000
    7/8"-20
    		1 5/16"31/64"ASME B18.2.2100000000000000
    1"-8
    		1 1/2"35/64"ASME B18.2.2100000000000000
    1"-12
    		1 1/2"35/64"ASME B18.2.2100000000000000
    1"-14
    		1 1/2"35/64"ASME B18.2.2100000000000000
    1 1/4"-12
    		1 7/8"23/32"ASME B18.2.2100000000000000
    1 1/2"-6
    		2 1/4"27/32"ASME B18.2.2100000000000000
    1 1/2"-12
    		2 1/4"27/32"ASME B18.2.2100000000000000
    2"-12
    		3"1 3/32"ASME B18.2.2100000000000000
     
    Highly Corrosion-Resistant 316 Stainless Steel
    4-40
    		1/4"1/16"—10000000000000
    6-32
    		5/16"3/32"—10000000000000
    8-32
    		11/32"7/64"—10000000000000
    10-24
    		3/8"7/64"—10000000000000
    10-32
    		3/8"7/64"—10000000000000
    1/4"-20
    		7/16"5/32"—10000000000000
    1/4"-28
    		7/16"5/32"—10000000000000
    5/16"-24
    		1/2"3/16"—10000000000000
    3/8"-16
    		9/16"7/32"—10000000000000
    3/8"-24
    		9/16"7/32"—10000000000000
    7/16"-20
    		11/16"1/4"—10000000000000
    1/2"-13
    		3/4"5/16"—10000000000000
    9/16"-18
    		7/8"5/16"—100000000000000
    5/8"-18
    		15/16"3/8"—100000000000000
    3/4"-10
    		1 1/8"27/64"—100000000000000
    3/4"-16
    		1 1/8"27/64"—100000000000000
    1"-12
    		1 1/2"35/64"—100000000000000
    1"-14
    		1 1/2"35/64"—100000000000000
    1 1/4"-12
    		1 7/8"23/32"—100000000000000
    1 1/2"-6
    		2 1/4"27/32"—100000000000000
     
    Corrosion-Resistant Stainless Steel with Material Certificate
    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.
    Highly 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.
    Material Certificate Icon
    Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
    Thread
    Size
    Wd.
    Ht.
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    6-32
    		5/16"3/32"—100000000000000
    8-32
    		11/32"7/64"—10000000000000
    10-32
    		3/8"7/64"—10000000000000
    1 1/4"-7
    		1 7/8"23/32"ASME B18.2.2100000000000000
    2"-4 1/2
    		3"1 3/32"ASME B18.2.2100000000000000
     
    Highly Corrosion-Resistant 316 Stainless Steel
    1/2"-20
    		3/4"5/16"—10000000000000
    2"-12
    		3"1 3/32"—100000000000000
     

    Thin-Profile Hex Nuts

    Image of Product. Front orientation. Hex Nuts. 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.
    Corrosion-Resistant Stainless Steel
    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.
    Highly 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
    		7/16"5/32"10000000000000000
    1/4"-28
    		7/16"5/32"1000000000000000
    5/16"-18
    		1/2"3/16"1000000000000000
    5/16"-24
    		1/2"3/16"1000000000000000
    3/8"-16
    		9/16"7/32"1000000000000000
    3/8"-24
    		9/16"7/32"10000000000000000
    7/16"-14
    		11/16"1/4"5000000000000000
    7/16"-20
    		11/16"1/4"5000000000000000
    1/2"-13
    		3/4"5/16"250000000000000
    1/2"-20
    		3/4"5/16"250000000000000
    1/2"-28
    		3/4"5/16"100000000000000
    9/16"-12
    		7/8"5/16"2000000000000000
    9/16"-18
    		7/8"5/16"100000000000000
    5/8"-11
    		15/16"3/8"100000000000000
    5/8"-24
    		15/16"3/8"100000000000000
    3/4"-10
    		1 1/8"27/64"100000000000000
    3/4"-16
    		1 1/8"27/64"100000000000000
    3/4"-20
    		1 1/8"27/64"100000000000000
    7/8"-9
    		1 5/16"31/64"50000000000000
    7/8"-14
    		1 5/16"31/64"50000000000000
    1"-8
    		1 1/2"35/64"10000000000000
    1"-12
    		1 1/2"35/64"10000000000000
    1"-14
    		1 1/2"35/64"10000000000000
    1 1/8"-7
    		1 11/16"39/64"10000000000000
    1 1/8"-12
    		1 11/16"39/64"10000000000000
    1 1/4"-7
    		1 7/8"23/32"10000000000000
    1 1/4"-12
    		1 7/8"23/32"10000000000000
    1 1/2"-6
    		2 1/4"27/32"10000000000000
    1 1/2"-12
    		2 1/4"27/32"10000000000000
    1 3/4"-5
    		2 5/8"31/32"100000000000000
    2"-4 1/2
    		3"1 3/32"100000000000000
     
    Highly Corrosion-Resistant 316 Stainless Steel
    1/4"-20
    		7/16"5/32"500000000000000
    1/4"-28
    		7/16"5/32"500000000000000
    5/16"-18
    		1/2"3/16"250000000000000
    5/16"-24
    		1/2"3/16"250000000000000
    3/8"-16
    		9/16"7/32"250000000000000
    3/8"-24
    		9/16"7/32"250000000000000
    7/16"-14
    		11/16"1/4"100000000000000
    7/16"-20
    		11/16"1/4"100000000000000
    1/2"-13
    		3/4"5/16"100000000000000
    1/2"-20
    		3/4"5/16"100000000000000
    9/16"-12
    		7/8"5/16"50000000000000
    9/16"-18
    		7/8"5/16"10000000000000
    5/8"-11
    		15/16"3/8"50000000000000
    5/8"-18
    		15/16"3/8"50000000000000
    3/4"-10
    		1 1/8"27/64"10000000000000
    3/4"-16
    		1 1/8"27/64"10000000000000
    7/8"-9
    		1 5/16"31/64"10000000000000
    7/8"-14
    		1 5/16"31/64"10000000000000
    1"-8
    		1 1/2"35/64"10000000000000
    1"-12
    		1 1/2"35/64"10000000000000
    1"-14
    		1 1/2"35/64"10000000000000
    1 1/8"-7
    		1 11/16"39/64"100000000000000
    1 1/8"-12
    		1 11/16"39/64"100000000000000
    1 1/4"-7
    		1 7/8"23/32"10000000000000
    1 1/4"-12
    		1 7/8"23/32"100000000000000
    1 1/2"-6
    		2 1/4"27/32"100000000000000
    1 1/2"-12
    		2 1/4"27/32"100000000000000
    1 3/4"-5
    		2 5/8"31/32"100000000000000
    2"-4 1/2
    		3"1 3/32"100000000000000
     
    Corrosion-Resistant Stainless Steel with Material Certificate
    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.
    Material Certificate Icon
    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
    5/8"-18
    		15/16"3/8"1000000000000000
    7/8"-20
    		1 5/16"31/64"100000000000000
     

    Hex Nuts

    Image of Product. Front orientation. Hex Nuts. Hex Nuts.
    The most commonly used hex nuts, these are suitable for fastening most machinery and equipment.
    Corrosion-Resistant Stainless Steel
    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.
    Highly 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
    2"-4 1/2
    		3"1 23/32"1000000000000000
     
    Highly Corrosion-Resistant 316 Stainless Steel
    2"-4 1/2
    		3"1 23/32"100000000000000
     

    Mil. Spec. Thin-Profile Hex Nuts

    Image of Product. Front orientation. Hex Nuts. 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
    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
    		5000000000000000
    1/4"-28
    		7/16"5/32"MS35691-7Fed. Spec. FF-N-836
    		10000000000000
    5/16"-18
    		1/2"3/16"MS35691-11Fed. Spec. FF-N-836
    		500000000000000
    5/16"-24
    		1/2"3/16"MS35691-15Fed. Spec. FF-N-836
    		500000000000000
    3/8"-16
    		9/16"7/32"MS35691-19Fed. Spec. FF-N-836
    		10000000000000
    3/8"-24
    		9/16"7/32"MS35691-23Fed. Spec. FF-N-836
    		10000000000000
    7/16"-14
    		11/16"1/4"MS35691-27Fed. Spec. FF-N-836
    		10000000000000
    7/16"-20
    		11/16"1/4"MS35691-31Fed. Spec. FF-N-836
    		10000000000000
    1/2"-20
    		3/4"5/16"MS35691-39Fed. Spec. FF-N-836
    		10000000000000
    5/8"-11
    		15/16"3/8"MS35691-51Fed. Spec. FF-N-836
    		100000000000000
    5/8"-18
    		15/16"3/8"MS35691-55Fed. Spec. FF-N-836
    		100000000000000
     
    Corrosion-Resistant Stainless Steel with Material Certificate
    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.
    Material Certificate Icon
    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
    1/2"-13
    		3/4"5/16"MS35691-35Fed. Spec. FF-N-836
    		100000000000000
     
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