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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  • Offering secure binding for construction and machinery parts, our hex head cap screws feature left hand, rolled threads and meet ANSI B18.2.1 dimensional requirements. For sizes measuring between 1/4 of an inch to 1 1/2 inches, our Grade 5, hex head cap screw with left hand thread meets SAE J429 specifications for both material and physical properties.
  • For sizes measuring between 3/4 of an inch to 2 inches, these left hand thread, grade 5 hex head cap screws meet ASTM A449 Grade 5 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
1 2 3 4 

Item #

Thread Size

Length

Thread Length

Grade/Class

Finish

Thread Style

pn-9538 N/A 1/2-13 N/A 7/8 in N/A 1 1/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-9539 N/A 1/2-13 N/A 1 in N/A 1 1/4 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-9540 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-9541 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-9542 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-9543 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-9544 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-9545 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-9546 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-9547 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-9548 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-9549 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-9550 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-9551 N/A 5/8-11 N/A 1 in N/A 1 1/2 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-9552 N/A 5/8-11 N/A 1 1/4 in N/A 1 1/2 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-9553 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-9554 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-9555 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-9556 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-9557 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-9558 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-9559 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-9560 N/A 5/8-11 N/A 3 1/2 in N/A 1 1/2 in N/A Grade 5 N/A Plain N/A Coarse Thread
pn-9561 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-9562 N/A 5/8-11 N/A 2 3/4 in N/A 1 1/2 in N/A Grade 5 N/A Zinc/Clear N/A Coarse Thread
Unit of Measure
1 2 3 4