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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  • National Bolt & Nut's premium line of hex socket set screws are most regularly used to secure one object against another object, and are ideal for applications involving the fastening of knobs, gears, collars and other devices onto shafts. Designed for better industrial safety, our hex socket set screws are fully threaded and do not possess a head that protrudes past the major diameter of the screw thread. Our premium line of hex socket set screws is commonly constructed from hardened steel.
  • Other materials and finishes available. For further information, call or send an information request.
Hex Socket Set Screws
Unit of Measure
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Item #

Thread Size

Length

Thread Length

Finish

Thread Style

pn-12028 N/A 8-32 N/A 3/8 in N/A 16 1/2 in N/A Plain N/A Coarse Thread
pn-12029 N/A 8-32 N/A 1/2 in N/A 16 1/2 in N/A Plain N/A Coarse Thread
pn-12030 N/A 10-24 N/A 3/16 in N/A 20 1/2 in N/A Plain N/A Coarse Thread
pn-12031 N/A 10-24 N/A 1/4 in N/A 20 1/2 in N/A Plain N/A Coarse Thread
pn-12032 N/A 10-24 N/A 5/16 in N/A 20 1/2 in N/A Plain N/A Coarse Thread
pn-12033 N/A 10-24 N/A 3/8 in N/A 20 1/2 in N/A Plain N/A Coarse Thread
pn-12034 N/A 10-32 N/A 3/16 in N/A 20 1/2 in N/A Plain N/A Fine Thread
pn-12035 N/A 10-32 N/A 1/4 in N/A 20 1/2 in N/A Plain N/A Fine Thread
pn-12036 N/A 1/4-20 N/A 3/16 in N/A 3/4 in N/A Plain N/A Coarse Thread
pn-12037 N/A 1/4-20 N/A 1/4 in N/A 3/4 in N/A Plain N/A Coarse Thread
pn-12038 N/A 1/4-20 N/A 5/16 in N/A 3/4 in N/A Plain N/A Coarse Thread
pn-12039 N/A 1/4-20 N/A 3/8 in N/A 3/4 in N/A Plain N/A Coarse Thread
pn-12040 N/A 1/4-20 N/A 1/2 in N/A 3/4 in N/A Plain N/A Coarse Thread
pn-12041 N/A 1/4-20 N/A 5/8 in N/A 3/4 in N/A Plain N/A Coarse Thread
pn-12042 N/A 1/4-20 N/A 3/4 in N/A 3/4 in N/A Plain N/A Coarse Thread
pn-12043 N/A 1/4-20 N/A 1 in N/A 3/4 in N/A Plain N/A Coarse Thread
pn-12044 N/A 1/4-28 N/A 1/4 in N/A 3/4 in N/A Plain N/A Fine Thread
pn-12045 N/A 1/4-28 N/A 3/8 in N/A 3/4 in N/A Plain N/A Fine Thread
pn-12046 N/A 5/16-18 N/A 1/4 in N/A 7/8 in N/A Plain N/A Coarse Thread
pn-12047 N/A 5/16-18 N/A 5/16 in N/A 7/8 in N/A Plain N/A Coarse Thread
pn-12048 N/A 5/16-18 N/A 3/8 in N/A 7/8 in N/A Plain N/A Coarse Thread
pn-12049 N/A 5/16-18 N/A 1/2 in N/A 7/8 in N/A Plain N/A Coarse Thread
pn-12050 N/A 5/16-18 N/A 5/8 in N/A 7/8 in N/A Plain N/A Coarse Thread
pn-12051 N/A 5/16-18 N/A 3/4 in N/A 7/8 in N/A Plain N/A Coarse Thread
pn-12052 N/A 5/16-18 N/A 1 in N/A 7/8 in N/A Plain N/A Coarse Thread
Unit of Measure
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