8-32 Socket Head Cap Screws

8-32 Socket Head Cap Screws

#8-32 socket head cap screws in USS coarse (UNC) thread, made from heat treated alloy steel with a black oxide finish. We stock 1/8", 3/16", 1/4", 5/16", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/2" lengths. They take a 9/64" hex key. Shorter lengths are fully threaded (FT) and longer lengths partially threaded (PT).

Specifications

• Size: #8-32 (USS coarse)
• Lengths: 1/8", 3/16", 1/4", 5/16", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/2"
• Hex key: 9/64"
• Tap drill: #29
• Material: alloy steel, ASTM A574
• Finish: black oxide
• Strength: 180,000 psi minimum tensile strength (ASTM A574)

Common Uses

• Machinery and tooling
• Jigs and fixtures
• Counterbored holes

FAQ

What hex key fits a #8-32 socket head cap screw?
A 9/64" hex key (Allen wrench).

What tap drill do I use for #8-32?
Use a #29 drill for a standard 75% thread.

Will black oxide socket screws rust?
Black oxide is a thin conversion finish with a light oil. It gives mild rust protection indoors and a clean dark look, but it is not made for outdoor or wet use. For outdoor, wet or washdown areas, use our stainless steel socket screws.

Related: Stainless Socket Head Cap Screws | Hex Keys | All Socket Head Cap Screws USS Coarse

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