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-3118 N/A 1/2-13 N/A 1 1/4 in N/A 1 1/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3119 N/A 1/2-13 N/A 1 1/2 in N/A 1 1/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3120 N/A 1/2-13 N/A 1 3/4 in N/A 1 1/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3121 N/A 1/2-13 N/A 2 in N/A 1 1/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3122 N/A 1/2-13 N/A 2 1/4 in N/A 1 1/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3123 N/A 1/2-13 N/A 2 1/2 in N/A 1 1/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3124 N/A 1/2-13 N/A 2 3/4 in N/A 1 1/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3125 N/A 1/2-13 N/A 3 in N/A 1 1/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3126 N/A 1/2-13 N/A 3 1/2 in N/A 1 1/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3127 N/A 1/2-13 N/A 4 in N/A 1 1/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3128 N/A 1/2-13 N/A 4 1/2 in N/A 1 1/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3129 N/A 1/2-13 N/A 5 in N/A 1 1/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3130 N/A 1/2-13 N/A 5 1/2 in N/A 1 1/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3131 N/A 1/2-13 N/A 6 in N/A 1 1/2 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3132 N/A 1/2-13 N/A 6 1/2 in N/A 1 1/2 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3133 N/A 1/2-13 N/A 7 in N/A 1 1/2 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3134 N/A 1/2-13 N/A 7 1/2 in N/A 1 1/2 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3135 N/A 1/2-13 N/A 8 in N/A 1 1/2 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3136 N/A 1/2-13 N/A 8 1/2 in N/A 1 1/2 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3137 N/A 1/2-13 N/A 9 in N/A 1 1/2 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3138 N/A 1/2-13 N/A 9 1/2 in N/A 1 1/2 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3139 N/A 1/2-13 N/A 10 in N/A 1 1/2 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3140 N/A 5/8-11 N/A 1 1/2 in N/A 1 1/2 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3141 N/A 5/8-11 N/A 1 3/4 in N/A 1 1/2 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3142 N/A 5/8-11 N/A 2 in N/A 1 1/2 in N/A Grade 5 N/A Plain N/A Coarse Thread
Unit of Measure
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