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-8388 N/A 5/8-18 N/A 20 in N/A 1 3/4 in N/A Grade 5 N/A Plain N/A Fine Thread
pn-8389 N/A 5/8-18 N/A 1 in N/A 1 1/2 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8390 N/A 5/8-18 N/A 1 1/4 in N/A 1 1/2 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8391 N/A 5/8-18 N/A 1 1/2 in N/A 1 1/2 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8392 N/A 5/8-18 N/A 1 3/4 in N/A 1 1/2 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8393 N/A 5/8-18 N/A 2 in N/A 1 1/2 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8394 N/A 5/8-18 N/A 2 1/4 in N/A 1 1/2 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8395 N/A 5/8-18 N/A 2 1/2 in N/A 1 1/2 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8396 N/A 5/8-18 N/A 2 3/4 in N/A 1 1/2 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8397 N/A 5/8-18 N/A 3 in N/A 1 1/2 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8398 N/A 5/8-18 N/A 3 1/4 in N/A 1 1/2 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8399 N/A 5/8-18 N/A 3 1/2 in N/A 1 1/2 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8400 N/A 5/8-18 N/A 3 3/4 in N/A 1 1/2 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8401 N/A 5/8-18 N/A 4 in N/A 1 1/2 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8402 N/A 5/8-18 N/A 4 1/2 in N/A 1 1/2 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8403 N/A 5/8-18 N/A 5 in N/A 1 1/2 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8404 N/A 5/8-18 N/A 5 1/2 in N/A 1 1/2 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8405 N/A 5/8-18 N/A 6 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8406 N/A 5/8-18 N/A 6 1/2 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8407 N/A 5/8-18 N/A 7 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8408 N/A 5/8-18 N/A 7 1/2 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8409 N/A 5/8-18 N/A 8 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8410 N/A 5/8-18 N/A 8 1/2 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8411 N/A 5/8-18 N/A 9 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
pn-8412 N/A 5/8-18 N/A 9 1/2 in N/A 1 3/4 in N/A Grade 5 N/A Zinc/Clear N/A Fine Thread
Unit of Measure
« 31 32 33 34 35