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 B18.2.1
  • Metric thread also available as well as other materials and finishes. For further information, call or send an information request.
Square Head Bolts
Unit of Measure
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Item #

Thread Size

Length

Thread Length

Grade/Class

Finish

Thread Style

Custom N/A Custom N/A Custom N/A Custom N/A N/A Custom N/A Custom
pn-2969 N/A 3/8-16 N/A 1 in N/A 1 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-2970 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-2971 N/A 1/2-13 N/A 1 1/2 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-2972 N/A 1/2-13 N/A 1 3/4 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-2973 N/A 1/2-13 N/A 2 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-2974 N/A 1/2-13 N/A 2 1/4 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-2975 N/A 1/2-13 N/A 2 1/2 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-2976 N/A 1/2-13 N/A 2 3/4 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-2977 N/A 1/2-13 N/A 3 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-2978 N/A 1/2-13 N/A 3 1/2 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-2979 N/A 1/2-13 N/A 4 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-2980 N/A 1/2-13 N/A 4 1/2 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-2981 N/A 1/2-13 N/A 5 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-2982 N/A 1/2-13 N/A 5 1/2 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-2983 N/A 1/2-13 N/A 6 in N/A 1 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-2984 N/A 1/2-13 N/A 6 1/2 in N/A 1 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-2985 N/A 1/2-13 N/A 7 in N/A 1 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-2986 N/A 1/2-13 N/A 7 1/2 in N/A 1 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-2987 N/A 1/2-13 N/A 8 in N/A 1 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-2988 N/A 1/2-13 N/A 8 1/2 in N/A 1 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-2989 N/A 1/2-13 N/A 9 in N/A 1 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-2990 N/A 1/2-13 N/A 9 1/2 in N/A 1 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-2991 N/A 1/2-13 N/A 10 in N/A 1 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-2992 N/A 5/8-11 N/A 1 1/2 in N/A 1 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
Unit of Measure
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