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 Square Nuts
Unit of Measure
1 

Item #

Grade/Class

Thread Size

Finish

Thread Style

Custom N/A N/A Custom N/A Custom N/A Custom
pn-4903 N/A Carbon Steel N/A 1/4-20 N/A Plain N/A Coarse Thread
pn-4907 N/A Carbon Steel N/A 5/8-11 N/A Plain N/A Coarse Thread
pn-4904 N/A Carbon Steel N/A 5/16-18 N/A Plain N/A Coarse Thread
pn-4908 N/A Carbon Steel N/A 3/4-10 N/A Plain N/A Coarse Thread
pn-4905 N/A Carbon Steel N/A 3/8-16 N/A Plain N/A Coarse Thread
pn-4909 N/A Carbon Steel N/A 7/8-9 N/A Plain N/A Coarse Thread
pn-4910 N/A Carbon Steel N/A 1-8 N/A Plain N/A Coarse Thread
pn-4906 N/A Carbon Steel N/A 1/2-13 N/A Plain N/A Coarse Thread
pn-4911 N/A Carbon Steel N/A 1 1/8-7 N/A Plain N/A Coarse Thread
pn-4912 N/A Carbon Steel N/A 1 1/4-7 N/A Plain N/A Coarse Thread
pn-4893 N/A Grade 5 N/A 1/4-20 N/A Plain N/A Coarse Thread
pn-4897 N/A Grade 5 N/A 5/8-11 N/A Plain N/A Coarse Thread
pn-4894 N/A Grade 5 N/A 5/16-18 N/A Plain N/A Coarse Thread
pn-4898 N/A Grade 5 N/A 3/4-10 N/A Plain N/A Coarse Thread
pn-4895 N/A Grade 5 N/A 3/8-16 N/A Plain N/A Coarse Thread
pn-4899 N/A Grade 5 N/A 7/8-9 N/A Plain N/A Coarse Thread
pn-4900 N/A Grade 5 N/A 1-8 N/A Plain N/A Coarse Thread
pn-4896 N/A Grade 5 N/A 1/2-13 N/A Plain N/A Coarse Thread
pn-4901 N/A Grade 5 N/A 1 1/8-7 N/A Plain N/A Coarse Thread
pn-4902 N/A Grade 5 N/A 1 1/4-7 N/A Plain N/A Coarse Thread
pn-4892 N/A Grade 8 N/A 7/8-9 N/A Plain N/A Coarse Thread
Unit of Measure
1