National Bolt & Nut Corporation
National Bolt & Nut Corporation
125 E. Commerce Drive
Schaumburg, IL 60173
Toll Free: 888.307.8811
Phone: 630.307.8800
Fax: 630.307.8870
Email: info@nationalbolt.com
Website: www.nationalbolt.com
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  • 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.
Hex Head Cap Screw
Unit of Measure
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Item #

Thread Size

Length

Thread Length

Grade/Class

Finish

Thread Style

Custom N/A Custom N/A Custom N/A Custom N/A N/A Custom N/A Custom
pn-7564 N/A 1/4-20 N/A 1/2 in N/A 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-7565 N/A 1/4-20 N/A 5/8 in N/A 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-7566 N/A 1/4-20 N/A 3/4 in N/A 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-7567 N/A 1/4-20 N/A 7/8 in N/A 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-7568 N/A 1/4-20 N/A 1 in N/A 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-7569 N/A 1/4-20 N/A 1 1/4 in N/A 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-7570 N/A 1/4-20 N/A 1 1/2 in N/A 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-7571 N/A 1/4-20 N/A 1 3/4 in N/A 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-7572 N/A 1/4-20 N/A 1 7/8 in N/A 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-7573 N/A 1/4-20 N/A 2 in N/A 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-7574 N/A 1/4-20 N/A 2 1/4 in N/A 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-7575 N/A 1/4-20 N/A 2 1/2 in N/A 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-7576 N/A 1/4-20 N/A 2 3/4 in N/A 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-7577 N/A 1/4-20 N/A 3 in N/A 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-7578 N/A 1/4-20 N/A 3 1/4 in N/A 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-7579 N/A 1/4-20 N/A 3 1/2 in N/A 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-7580 N/A 1/4-20 N/A 3 3/4 in N/A 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-7581 N/A 1/4-20 N/A 4 in N/A 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-7582 N/A 1/4-20 N/A 4 1/4 in N/A 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-7583 N/A 1/4-20 N/A 4 1/2 in N/A 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-7584 N/A 1/4-20 N/A 5 in N/A 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-7585 N/A 1/4-20 N/A 5 1/2 in N/A 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-7586 N/A 1/4-20 N/A 6 in N/A 1 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-7587 N/A 1/4-20 N/A 6 1/2 in N/A 1 in N/A Grade 5 N/A Plain N/A Coarse Thread
Unit of Measure
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