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 ANSI B18.2.2
  • 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.
Heavy Hex Slotted Nuts
Unit of Measure
1 2 3 4 5 

Item #

Thread Size

Grade/Class

Finish

Thread Style

pn-5159 N/A 3 1/4-4 N/A N/A Plain N/A Coarse Thread
pn-5160 N/A 3 1/2-4 N/A N/A Plain N/A Coarse Thread
pn-5161 N/A 3 3/4-4 N/A N/A Plain N/A Coarse Thread
pn-5162 N/A 4-4 N/A N/A Plain N/A Coarse Thread
pn-5163 N/A 9/16-12 N/A N/A Plain N/A Fine Thread
Unit of Measure
1 2 3 4 5