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

pn-7988 N/A 7/16-20 N/A 7 in N/A 1 3/8 in N/A Grade 5 N/A Plain N/A Fine Thread
pn-7989 N/A 7/16-20 N/A 7 1/2 in N/A 1 3/8 in N/A Grade 5 N/A Plain N/A Fine Thread
pn-7990 N/A 7/16-20 N/A 8 in N/A 1 3/8 in N/A Grade 5 N/A Plain N/A Fine Thread
pn-7991 N/A 7/16-20 N/A 9 in N/A 1 3/8 in N/A Grade 5 N/A Plain N/A Fine Thread
pn-7992 N/A 7/16-20 N/A 10 in N/A 1 3/8 in N/A Grade 5 N/A Plain N/A Fine Thread
pn-7993 N/A 7/16-20 N/A 3/4 in N/A 1 1/8 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-7994 N/A 7/16-20 N/A 7/8 in N/A 1 1/8 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-7995 N/A 7/16-20 N/A 1 in N/A 1 1/8 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-7996 N/A 7/16-20 N/A 1 1/4 in N/A 1 1/8 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-7997 N/A 7/16-20 N/A 1 1/2 in N/A 1 1/8 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-7998 N/A 7/16-20 N/A 1 3/4 in N/A 1 1/8 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-7999 N/A 7/16-20 N/A 2 in N/A 1 1/8 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8000 N/A 7/16-20 N/A 2 1/4 in N/A 1 1/8 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8001 N/A 7/16-20 N/A 2 1/2 in N/A 1 1/8 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8002 N/A 7/16-20 N/A 2 3/4 in N/A 1 1/8 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8003 N/A 7/16-20 N/A 3 in N/A 1 1/8 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8004 N/A 7/16-20 N/A 3 1/4 in N/A 1 1/8 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8005 N/A 7/16-20 N/A 3 1/2 in N/A 1 1/8 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8006 N/A 7/16-20 N/A 3 3/4 in N/A 1 1/8 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8007 N/A 7/16-20 N/A 4 in N/A 1 1/8 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8008 N/A 7/16-20 N/A 4 1/2 in N/A 1 1/8 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8009 N/A 7/16-20 N/A 5 in N/A 1 1/8 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8010 N/A 7/16-20 N/A 5 1/2 in N/A 1 1/8 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8011 N/A 7/16-20 N/A 6 in N/A 1 3/8 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8012 N/A 7/16-20 N/A 6 1/2 in N/A 1 3/8 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
Unit of Measure
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