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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  • Head dimensions per ANSI B18.2.1
  • Threaded to head
  • We also stock 1/4" thru 2" diameter and from 1/2 thru 15" in length.
  • Other materials and finishes available. For further information, call or send an information request.
Hex Head Tap Bolts
Unit of Measure
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Item #

Thread Size

Length

Thread Length

Grade/Class

Finish

Thread Style

pn-1536 N/A 5/16-24 N/A 2 1/4 in N/A 7/8 in N/A Grade 8 N/A Zinc/Yellow N/A Fine Thread
pn-1537 N/A 5/16-24 N/A 2 1/2 in N/A 7/8 in N/A Grade 8 N/A Zinc/Yellow N/A Fine Thread
pn-1538 N/A 5/16-24 N/A 2 3/4 in N/A 7/8 in N/A Grade 8 N/A Zinc/Yellow N/A Fine Thread
pn-1539 N/A 5/16-24 N/A 3 in N/A 7/8 in N/A Grade 8 N/A Zinc/Yellow N/A Fine Thread
pn-1540 N/A 5/16-24 N/A 3 1/4 in N/A 7/8 in N/A Grade 8 N/A Zinc/Yellow N/A Fine Thread
pn-1541 N/A 5/16-24 N/A 3 1/2 in N/A 7/8 in N/A Grade 8 N/A Zinc/Yellow N/A Fine Thread
pn-1542 N/A 5/16-24 N/A 3 3/4 in N/A 7/8 in N/A Grade 8 N/A Zinc/Yellow N/A Fine Thread
pn-1543 N/A 5/16-24 N/A 4 in N/A 7/8 in N/A Grade 8 N/A Zinc/Yellow N/A Fine Thread
pn-1544 N/A 5/16-24 N/A 4 1/2 in N/A 7/8 in N/A Grade 8 N/A Zinc/Yellow N/A Fine Thread
pn-1545 N/A 5/16-24 N/A 5 in N/A 7/8 in N/A Grade 8 N/A Zinc/Yellow N/A Fine Thread
pn-1546 N/A 5/16-24 N/A 5 1/2 in N/A 7/8 in N/A Grade 8 N/A Zinc/Yellow N/A Fine Thread
pn-1547 N/A 5/16-24 N/A 6 in N/A 1 1/8 in N/A Grade 8 N/A Zinc/Yellow N/A Fine Thread
pn-1548 N/A 3/8-16 N/A 1 1/4 in N/A 1 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-1549 N/A 3/8-16 N/A 1 1/2 in N/A 1 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-1550 N/A 3/8-16 N/A 1 3/4 in N/A 1 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-1551 N/A 3/8-16 N/A 2 in N/A 1 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-1552 N/A 3/8-16 N/A 2 1/4 in N/A 1 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-1553 N/A 3/8-16 N/A 2 1/2 in N/A 1 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-1554 N/A 3/8-16 N/A 2 3/4 in N/A 1 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-1555 N/A 3/8-16 N/A 3 in N/A 1 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-1556 N/A 3/8-16 N/A 3 1/4 in N/A 1 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-1557 N/A 3/8-16 N/A 3 1/2 in N/A 1 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-1558 N/A 3/8-16 N/A 3 3/4 in N/A 1 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-1559 N/A 3/8-16 N/A 4 in N/A 1 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-1560 N/A 3/8-16 N/A 4 1/2 in N/A 1 in N/A Grade 8 N/A Plain N/A Coarse Thread
Unit of Measure
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