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    20 Products
    About Hex Nuts
    industrial info icon

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

    Heavy-Profile Hex Nuts for High-Pressure Applications

    Image of Product. Bottom orientation. Hex Nuts. 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.
    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.
    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
    		1000000000000000
    5/16"-24
    		9/16"19/64"ASTM Grade 8
    		ASTM A194
    		100000000000000
    3/8"-24
    		11/16"23/64"ASTM Grade 8
    		ASTM A194
    		100000000000000
    7/16"-14
    		3/4"27/64"ASTM Grade 8
    		ASTM A194
    		100000000000000
    7/16"-20
    		3/4"27/64"ASTM Grade 8
    		ASTM A194
    		100000000000000
    1/2"-20
    		7/8"31/64"ASTM Grade 8
    		ASTM A194
    		100000000000000
    5/8"-18
    		1 1/16"39/64"ASTM Grade 8
    		ASTM A194
    		100000000000000
    3/4"-16
    		1 1/4"47/64"ASTM Grade 8
    		ASTM A194
    		100000000000000
    1"-14
    		1 5/8"63/64"ASTM Grade 8
    		ASTM A194
    		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.
    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
    		2500000000000000
    5/16"-18
    		9/16"19/64"ASTM Grade 8
    		ASTM A194
    		100000000000000
    3/8"-16
    		11/16"23/64"ASTM Grade 8
    		ASTM A194
    		100000000000000
    1/2"-13
    		7/8"31/64"ASTM Grade 8
    		ASTM A194
    		1000000000000000
    5/8"-11
    		1 1/16"39/64"ASTM Grade 8
    		ASTM A194
    		500000000000000
    3/4"-10
    		1 1/4"47/64"ASTM Grade 8
    		ASTM A194
    		10000000000000
    7/8"-9
    		1 7/16"55/64"ASTM Grade 8
    		ASTM A194
    		10000000000000
    1"-8
    		1 5/8"63/64"ASTM Grade 8
    		ASTM A194
    		10000000000000
    1 1/8"-7
    		1 13/16"1 7/64"ASTM Grade 8
    		ASTM A194
    		100000000000000
    1 1/8"-8
    		1 13/16"1 7/64"ASTM Grade 8
    		ASTM A194
    		10000000000000
    1 1/4"-7
    		2"1 7/32"ASTM Grade 8
    		ASTM A194
    		100000000000000
     
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