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
Print Back
  • National Bolt & Nut offers a series of 1/4 - 5/8 inch diameter hex head cap screws that meet ANSI B18.2.1 dimensional specifications. Our 1/4 - 5/8 inch diameter hex head cap screws are reliable fasteners for both construction and machinery parts.
  • All our premium 1/4 - 5/8 inch diameter hex head cap screws feature rolled threads. Our hex head cap screws measuring 1/4 - 1 1/2 inches meet SAE J429 standards for both material and physical properties, while our hex head cap screws measuring 1 3/4 - 2 inches (equivalent to Grade 8) meet ASTM A354 Grade BD standards for both material and physical properties.
  • Other materials and finishes available. For further information, call or send an information request.
Hex Head Cap Screw
Unit of Measure
« 21 22 23 24 25 »  

Item #

Thread Size

Length

Thread Length

Grade/Class

Finish

Thread Style

pn-6140 N/A 1/2-20 N/A 3/4 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Fine Thread
pn-6141 N/A 1/2-20 N/A 7/8 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Fine Thread
pn-6142 N/A 1/2-20 N/A 1 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Fine Thread
pn-6143 N/A 1/2-20 N/A 1 1/8 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Fine Thread
pn-6144 N/A 1/2-20 N/A 1 1/4 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Fine Thread
pn-6145 N/A 1/2-20 N/A 1 3/8 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Fine Thread
pn-6146 N/A 1/2-20 N/A 1 1/2 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Fine Thread
pn-6147 N/A 1/2-20 N/A 1 3/4 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Fine Thread
pn-6148 N/A 1/2-20 N/A 2 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Fine Thread
pn-6149 N/A 1/2-20 N/A 2 1/4 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Fine Thread
pn-6150 N/A 1/2-20 N/A 2 1/2 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Fine Thread
pn-6151 N/A 1/2-20 N/A 2 3/4 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Fine Thread
pn-6152 N/A 1/2-20 N/A 3 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Fine Thread
pn-6153 N/A 1/2-20 N/A 3 1/4 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Fine Thread
pn-6154 N/A 1/2-20 N/A 3 1/2 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Fine Thread
pn-6155 N/A 1/2-20 N/A 3 3/4 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Fine Thread
pn-6156 N/A 1/2-20 N/A 4 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Fine Thread
pn-6157 N/A 1/2-20 N/A 4 1/4 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Fine Thread
pn-6158 N/A 1/2-20 N/A 4 1/2 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Fine Thread
pn-6159 N/A 1/2-20 N/A 5 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Fine Thread
pn-6160 N/A 1/2-20 N/A 5 1/2 in N/A 1 1/4 in N/A Grade 8 N/A Plain N/A Fine Thread
pn-6161 N/A 1/2-20 N/A 6 in N/A 1 1/2 in N/A Grade 8 N/A Plain N/A Fine Thread
pn-6162 N/A 1/2-20 N/A 6 1/2 in N/A 1 1/2 in N/A Grade 8 N/A Plain N/A Fine Thread
pn-6163 N/A 1/2-20 N/A 7 in N/A 1 1/2 in N/A Grade 8 N/A Plain N/A Fine Thread
pn-6164 N/A 1/2-20 N/A 7 1/2 in N/A 1 1/2 in N/A Grade 8 N/A Plain N/A Fine Thread
Unit of Measure
« 21 22 23 24 25 »