1/4-20 Stainless Socket Head Cap Screw

1/4-20 Stainless Socket Head Cap Screw

1/4-20 socket head cap screws with USS coarse (UNC) thread, made from 18-8 stainless steel. We stock 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8", 1-1/2", 1-3/4", 2", 2-1/4", 2-1/2", 2-3/4", 3" lengths. They take a 3/16" hex key.

1/4-20 Stainless Socket Head Cap Screw | The Nutty Company, Inc.

Socket Head Cap Screws Data Sheet (PDF) - The Nutty Company

Specifications

  • Size: 1/4-20 (USS coarse)
  • Lengths: 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8", 1-1/2", 1-3/4", 2", 2-1/4", 2-1/2", 2-3/4", 3"
  • Hex key: 3/16"
  • 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 1/4-20 socket head cap screw?
A 3/16" 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

Free shipping on orders over $100, and orders placed before noon EST ship the same day. Purchase orders are accepted from government agencies, schools, hospitals, municipalities and companies with established credit with The Nutty Company, Inc.

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