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-8313 N/A 5/8-11 N/A 7 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
pn-8314 N/A 5/8-11 N/A 7 1/2 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
pn-8315 N/A 5/8-11 N/A 8 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
pn-8316 N/A 5/8-11 N/A 8 1/2 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
pn-8317 N/A 5/8-11 N/A 9 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
pn-8318 N/A 5/8-11 N/A 9 1/2 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
pn-8319 N/A 5/8-11 N/A 10 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
pn-8320 N/A 5/8-11 N/A 10 1/2 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
pn-8321 N/A 5/8-11 N/A 11 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
pn-8322 N/A 5/8-11 N/A 11 1/2 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
pn-8323 N/A 5/8-11 N/A 12 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
pn-8324 N/A 5/8-11 N/A 12 1/2 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
pn-8325 N/A 5/8-11 N/A 13 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
pn-8326 N/A 5/8-11 N/A 13 1/2 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
pn-8327 N/A 5/8-11 N/A 14 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
pn-8328 N/A 5/8-11 N/A 14 1/2 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
pn-8329 N/A 5/8-11 N/A 15 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
pn-8330 N/A 5/8-11 N/A 15 1/2 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
pn-8331 N/A 5/8-11 N/A 16 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
pn-8332 N/A 5/8-11 N/A 16 1/2 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
pn-8333 N/A 5/8-11 N/A 17 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
pn-8334 N/A 5/8-11 N/A 17 1/2 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
pn-8335 N/A 5/8-11 N/A 18 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
pn-8336 N/A 5/8-11 N/A 18 1/2 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
pn-8337 N/A 5/8-11 N/A 19 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
Unit of Measure
« 31 32 33 34 35