• Meeting ANSI B18.2.1 dimensional specifications, our series of grade 5, 1/4 - 5/8 inch diameter hex head cap screws feature rolled threads.
  • Our Grade 5, 1/4 - 5/8 inch diameter hex head cap screws meet SAE J429 standards for both material and physical properties for sizes measuring between 1/4 - 1 1/2 inches. Additionally, for sizes measuring between 1 3/4 - 2 inches, our 1/4 - 5/8 inch diameter hex head cap screws meet ASTM A354 Grade BD standards for both material and physical properties.
  • Our 1/4 - 5/8 inch diameter hex head cap screws are secure fasteners for both construction and machinery parts.
  • Other materials and finishes available. For further information, call or send an information request.
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Hex Head Cap Screw

Custom Hex Head Cap Screw
Hex Head Cap Screw

Hex Head Cap Screw - Grade 5 - 1/4-20 x 1/2 - Plain
Hex Head Cap Screw

Hex Head Cap Screw - Grade 5 - 1/4-20 x 5/8 - Plain
Hex Head Cap Screw

Hex Head Cap Screw - Grade 5 - 1/4-20 x 3/4 - Plain
Hex Head Cap Screw

Hex Head Cap Screw - Grade 5 - 1/4-20 x 7/8 - Plain
Thread Size N/A Custom N/A 1/4-20 N/A 1/4-20 N/A 1/4-20 N/A 1/4-20
Length N/A Custom N/A 1/2 in N/A 5/8 in N/A 3/4 in N/A 7/8 in
Thread Length N/A Custom N/A 3/4 in N/A 3/4 in N/A 3/4 in N/A 3/4 in
Grade/Class N/A N/A Grade 5 N/A Grade 5 N/A Grade 5 N/A Grade 5
Finish N/A Custom N/A Plain N/A Plain N/A Plain N/A Plain
Thread Style N/A Custom N/A Coarse Thread N/A Coarse Thread N/A Coarse Thread N/A Coarse Thread
Weight / C N/A N/A 1.18 lb N/A 1.31 lb N/A 1.44 lb N/A 1.57 lb