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    3,199 Products
    About Hex Nuts
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    Choose a hex nut with the right profile, material, and strength for your application.

    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.
    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.
    Fastener Strength
    Grade/Class
    Specs.
    Met
    Certificate Type
    Pkg.
    Qty.
    Pkg.
    Highly 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
    Material Certificate
    195005A1350000
    Super-Corrosion-Resistant 316 Stainless Steel Hex Nut for High-Pressure Applications, Grade 8M, 1/2"-13 Thread
    Pack of 1In stock
    Compatible Products for This Hex Nut
    5/8"-11
    15/16"35/64"ASTM Grade 8M
    ASTM A194
    Material Certificate
    195005A1400000
    3/4"-10
    1 1/8"41/64"ASTM Grade 8M
    ASTM A194
    Material Certificate
    195005A14500000
    1"-8
    1 1/2"55/64"ASTM Grade 8M
    ASTM A194
    195005A15000000
     
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