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-3068 N/A 1-8 N/A 7 in N/A 2 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3069 N/A 1-8 N/A 7 1/2 in N/A 2 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3070 N/A 1-8 N/A 8 in N/A 2 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3071 N/A 1-8 N/A 8 1/2 in N/A 2 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3072 N/A 1-8 N/A 9 in N/A 2 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3073 N/A 1-8 N/A 9 1/2 in N/A 2 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3074 N/A 1-8 N/A 10 in N/A 2 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3075 N/A 1 1/8-7 N/A 2 in N/A 2 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3076 N/A 1 1/8-7 N/A 2 1/4 in N/A 2 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3077 N/A 1 1/8-7 N/A 2 1/2 in N/A 2 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3078 N/A 1 1/8-7 N/A 2 3/4 in N/A 2 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3079 N/A 1 1/8-7 N/A 3 in N/A 2 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3080 N/A 1 1/8-7 N/A 3 1/2 in N/A 2 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3081 N/A 1 1/8-7 N/A 4 in N/A 2 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3082 N/A 1 1/8-7 N/A 4 1/2 in N/A 2 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3083 N/A 1 1/8-7 N/A 5 in N/A 2 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3084 N/A 1 1/8-7 N/A 5 1/2 in N/A 2 1/2 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3085 N/A 1 1/8-7 N/A 6 in N/A 2 3/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3086 N/A 1 1/8-7 N/A 6 1/2 in N/A 2 3/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3087 N/A 1 1/8-7 N/A 7 in N/A 2 3/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3088 N/A 1 1/8-7 N/A 7 1/2 in N/A 2 3/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3089 N/A 1 1/8-7 N/A 8 in N/A 2 3/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3090 N/A 1 1/8-7 N/A 8 1/2 in N/A 2 3/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3091 N/A 1 1/8-7 N/A 9 in N/A 2 3/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
pn-3092 N/A 1 1/8-7 N/A 9 1/2 in N/A 2 3/4 in N/A Grade 8 N/A Plain N/A Coarse Thread
Unit of Measure
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