5/16-18 Stainless Socket Head Cap Screw

5/16-18 Stainless Socket Head Cap Screw

5/16-18 socket head cap screws with USS coarse (UNC) thread, made from 18-8 stainless steel. We stock 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-1/2", 1-3/4", 2", 2-1/4", 2-1/2", 2-3/4", 3", 3-1/2" lengths. They take a 1/4" hex key.

Specifications

• Size: 5/16-18 (USS coarse)
• Lengths: 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-1/2", 1-3/4", 2", 2-1/4", 2-1/2", 2-3/4", 3", 3-1/2"
• Hex key: 1/4"
• Thread: USS coarse (UNC)
• Drive: hex socket
• Material: 18-8 stainless steel

Common Uses

• Machinery and fixtures
• Food and medical equipment
• Marine equipment

FAQ

What hex key fits a 5/16-18 socket head cap screw?
A 1/4" hex key (Allen wrench).

How do I stop stainless threads from galling?
Stainless threads can seize (gall) when tightened fast or under heavy load. Put anti-seize on the threads, tighten slowly at low speed, keep the threads clean and don't overtighten.

Related: Stainless Hex Nuts | All Stainless Socket Head Cap Screws USS

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