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

pn-3043 N/A 7/8-9 N/A 4 in N/A 2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3044 N/A 7/8-9 N/A 4 1/2 in N/A 2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3045 N/A 7/8-9 N/A 5 in N/A 2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3046 N/A 7/8-9 N/A 5 1/2 in N/A 2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3047 N/A 7/8-9 N/A 6 in N/A 2 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3048 N/A 7/8-9 N/A 6 1/2 in N/A 2 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3049 N/A 7/8-9 N/A 7 in N/A 2 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3050 N/A 7/8-9 N/A 7 1/2 in N/A 2 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3051 N/A 7/8-9 N/A 8 in N/A 2 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3052 N/A 7/8-9 N/A 8 1/2 in N/A 2 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3053 N/A 7/8-9 N/A 9 in N/A 2 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3054 N/A 7/8-9 N/A 9 1/2 in N/A 2 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3055 N/A 7/8-9 N/A 10 in N/A 2 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3056 N/A 1-8 N/A 2 in N/A 2 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3057 N/A 1-8 N/A 2 1/4 in N/A 2 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3058 N/A 1-8 N/A 2 1/2 in N/A 2 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3059 N/A 1-8 N/A 2 3/4 in N/A 2 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3060 N/A 1-8 N/A 3 in N/A 2 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3061 N/A 1-8 N/A 3 1/2 in N/A 2 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3062 N/A 1-8 N/A 4 in N/A 2 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3063 N/A 1-8 N/A 4 1/2 in N/A 2 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3064 N/A 1-8 N/A 5 in N/A 2 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3065 N/A 1-8 N/A 5 1/2 in N/A 2 1/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3066 N/A 1-8 N/A 6 in N/A 2 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3067 N/A 1-8 N/A 6 1/2 in N/A 2 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
Unit of Measure
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