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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  • Standard nut thickness
  • Side crimp
  • Nylon inserts and Nuts with patches also available as an option on the Request for Information form.
  • Other materials and finishes available. For further information, call or send an information request.
Two Way Side Lock Nuts
Unit of Measure
1 2 3 

Item #

Thread Style

Thread Size

Grade/Class

Finish

Custom N/A Custom N/A Custom N/A N/A Custom
pn-5520 N/A Coarse Thread N/A 1/4-20 N/A Grade 8 N/A Zinc/Yellow & Wax
pn-5521 N/A Coarse Thread N/A 5/16-18 N/A Grade 8 N/A Zinc/Yellow & Wax
pn-5522 N/A Coarse Thread N/A 3/8-16 N/A Grade 8 N/A Zinc/Yellow & Wax
pn-5523 N/A Coarse Thread N/A 7/16-14 N/A Grade 8 N/A Zinc/Yellow & Wax
pn-5524 N/A Coarse Thread N/A 1/2-13 N/A Grade 8 N/A Zinc/Yellow & Wax
pn-5525 N/A Coarse Thread N/A 9/16-12 N/A Grade 8 N/A Zinc/Yellow & Wax
pn-5526 N/A Coarse Thread N/A 5/8-11 N/A Grade 8 N/A Zinc/Yellow & Wax
pn-5527 N/A Coarse Thread N/A 3/4-10 N/A Grade 8 N/A Zinc/Yellow & Wax
pn-5528 N/A Coarse Thread N/A 7/8-9 N/A Grade 8 N/A Zinc/Yellow & Wax
pn-5529 N/A Coarse Thread N/A 1-8 N/A Grade 8 N/A Zinc/Yellow & Wax
pn-5530 N/A Fine Thread N/A 1/4-28 N/A Grade 8 N/A Zinc/Yellow & Wax
pn-5531 N/A Fine Thread N/A 5/16-24 N/A Grade 8 N/A Zinc/Yellow & Wax
pn-5532 N/A Fine Thread N/A 3/8-24 N/A Grade 8 N/A Zinc/Yellow & Wax
pn-5533 N/A Fine Thread N/A 7/16-20 N/A Grade 8 N/A Zinc/Yellow & Wax
pn-5534 N/A Fine Thread N/A 1/2-20 N/A Grade 8 N/A Zinc/Yellow & Wax
pn-5535 N/A Fine Thread N/A 9/16-18 N/A Grade 8 N/A Zinc/Yellow & Wax
pn-5536 N/A Fine Thread N/A 5/8-18 N/A Grade 8 N/A Zinc/Yellow & Wax
pn-5537 N/A Fine Thread N/A 3/4-16 N/A Grade 8 N/A Zinc/Yellow & Wax
pn-5538 N/A Fine Thread N/A 7/8-14 N/A Grade 8 N/A Zinc/Yellow & Wax
pn-5539 N/A Fine Thread N/A 1-14 N/A Grade 8 N/A Zinc/Yellow & Wax
pn-5540 N/A Coarse Thread N/A 1/4-20 N/A Grade A N/A Zinc/Clear & Wax
pn-5541 N/A Coarse Thread N/A 5/16-18 N/A Grade A N/A Zinc/Clear & Wax
pn-5542 N/A Coarse Thread N/A 3/8-16 N/A Grade A N/A Zinc/Clear & Wax
pn-5543 N/A Coarse Thread N/A 7/16-14 N/A Grade A N/A Zinc/Clear & Wax
Unit of Measure
1 2 3