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
  • Threaded to head
  • Other materials and finishes available. For further information, call or send an information request.
Square Head Tap Bolts
Unit of Measure
1 2 

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-3332 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-3333 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-3334 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-3335 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-3336 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-3337 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-3338 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-3339 N/A 1/2-13 N/A 3 1/4 in N/A 1 1/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3340 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-3341 N/A 1/2-13 N/A 3 3/4 in N/A 1 1/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3342 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-3343 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-3344 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
pn-3345 N/A 5/8-11 N/A 2 1/4 in N/A 1 1/2 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3346 N/A 5/8-11 N/A 2 1/2 in N/A 1 1/2 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3347 N/A 5/8-11 N/A 2 3/4 in N/A 1 1/2 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3348 N/A 5/8-11 N/A 3 in N/A 1 1/2 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3349 N/A 5/8-11 N/A 3 1/4 in N/A 1 1/2 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3350 N/A 5/8-11 N/A 3 3/4 in N/A 1 1/2 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3351 N/A 5/8-11 N/A 4 in N/A 1 1/2 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3352 N/A 3/4-10 N/A 2 in N/A 1 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3353 N/A 3/4-10 N/A 2 1/4 in N/A 1 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3354 N/A 3/4-10 N/A 2 1/2 in N/A 1 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-3355 N/A 3/4-10 N/A 2 3/4 in N/A 1 3/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
Unit of Measure
1 2