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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  • Dimensions per IFI-100/107
  • Crowned top
  • 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.
All Metal Lock Nuts
Unit of Measure
1 2 

Item #

Thread Size

Grade/Class

Finish

Thread Style

Custom N/A Custom N/A N/A Custom N/A Custom
pn-5313 N/A 1/4-20 N/A Grade C N/A Zinc/Clear & Wax N/A Coarse Thread
pn-5314 N/A 5/16-18 N/A Grade C N/A Zinc/Clear & Wax N/A Coarse Thread
pn-5315 N/A 3/8-16 N/A Grade C N/A Zinc/Clear & Wax N/A Coarse Thread
pn-5316 N/A 7/16-14 N/A Grade C N/A Zinc/Clear & Wax N/A Coarse Thread
pn-5317 N/A 1/2-13 N/A Grade C N/A Zinc/Clear & Wax N/A Coarse Thread
pn-5318 N/A 9/16-12 N/A Grade C N/A Zinc/Clear & Wax N/A Coarse Thread
pn-5319 N/A 5/8-11 N/A Grade C N/A Zinc/Clear & Wax N/A Coarse Thread
pn-5320 N/A 3/4-10 N/A Grade C N/A Zinc/Clear & Wax N/A Coarse Thread
pn-5321 N/A 7/8-9 N/A Grade C N/A Zinc/Clear & Wax N/A Coarse Thread
pn-5322 N/A 1-8 N/A Grade C N/A Zinc/Clear & Wax N/A Coarse Thread
pn-5323 N/A 3/4-10 N/A Grade C N/A Zinc/Yellow & Wax N/A Coarse Thread
pn-5324 N/A 7/8-9 N/A Grade C N/A Zinc/Yellow & Wax N/A Coarse Thread
pn-5325 N/A 1-8 N/A Grade C N/A Zinc/Yellow & Wax N/A Coarse Thread
pn-5326 N/A 1-12 N/A Grade C N/A Cadmium & Wax N/A Fine Thread
pn-5327 N/A 1/4-28 N/A Grade C N/A Zinc/Clear & Wax N/A Fine Thread
pn-5328 N/A 5/16-24 N/A Grade C N/A Zinc/Clear & Wax N/A Fine Thread
pn-5329 N/A 3/8-24 N/A Grade C N/A Zinc/Clear & Wax N/A Fine Thread
pn-5330 N/A 7/16-20 N/A Grade C N/A Zinc/Clear & Wax N/A Fine Thread
pn-5331 N/A 1/2-20 N/A Grade C N/A Zinc/Clear & Wax N/A Fine Thread
pn-5332 N/A 9/16-18 N/A Grade C N/A Zinc/Clear & Wax N/A Fine Thread
pn-5333 N/A 5/8-18 N/A Grade C N/A Zinc/Clear & Wax N/A Fine Thread
pn-5334 N/A 3/4-16 N/A Grade C N/A Zinc/Clear & Wax N/A Fine Thread
pn-5335 N/A 7/8-14 N/A Grade C N/A Zinc/Clear & Wax N/A Fine Thread
pn-5336 N/A 1-14 N/A Grade C N/A Zinc/Clear & Wax N/A Fine Thread
Unit of Measure
1 2