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 B18.9
  • Full and partial threads available
  • Other materials and finishes available. For further information, call or send an information request.
#3 Regular Flat Head Style Plow Bolts
Unit of Measure
1 2 3 4 

Item #

Thread Size

Length

Thread Length

Grade/Class

Finish

pn-1255 N/A 1/2-13 N/A 2 1/2 in N/A 1 1/4 in N/A Grade 5 N/A Zinc/Clear
pn-1256 N/A 1/2-13 N/A 2 3/4 in N/A 1 1/4 in N/A Grade 5 N/A Zinc/Clear
pn-1257 N/A 1/2-13 N/A 3 in N/A 1 1/4 in N/A Grade 5 N/A Zinc/Clear
pn-1258 N/A 1/2-13 N/A 3 1/2 in N/A 1 1/4 in N/A Grade 5 N/A Zinc/Clear
pn-1259 N/A 1/2-13 N/A 4 in N/A 1 1/4 in N/A Grade 5 N/A Zinc/Clear
pn-1260 N/A 5/8-11 N/A 1 1/2 in N/A 1 1/2 in N/A Grade 5 N/A Plain
pn-1261 N/A 5/8-11 N/A 1 3/4 in N/A 1 1/2 in N/A Grade 5 N/A Plain
pn-1262 N/A 5/8-11 N/A 2 in N/A 1 1/2 in N/A Grade 5 N/A Plain
pn-1263 N/A 5/8-11 N/A 2 1/4 in N/A 1 1/2 in N/A Grade 5 N/A Plain
pn-1264 N/A 5/8-11 N/A 2 1/2 in N/A 1 1/2 in N/A Grade 5 N/A Plain
pn-1265 N/A 5/8-11 N/A 3 in N/A 1 1/2 in N/A Grade 5 N/A Plain
pn-1266 N/A 5/8-11 N/A 3 1/2 in N/A 1 1/2 in N/A Grade 5 N/A Plain
pn-1267 N/A 5/8-11 N/A 4 in N/A 1 1/2 in N/A Grade 5 N/A Plain
Unit of Measure
1 2 3 4