PennEngineering
PennEngineering
Corporate Headquarters – Danboro, PA
5190 Old Easton Rd.
Danboro, PA 18916
Phone: 215-766-8853
Toll-Free Phone: 1-800-237-4736 (U.S. only)
Email: info@pemnet.com
Website: www.pemnet.com
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  • Designed for high load applications. Available with rib, key or full hex features for high torque applications.
  • Both UNC and UNF threads available in No. 10 and larger thread sizes. Check for availability of other grip ranges and designs.
Unit of Measure

Specifications

Thread Size

 5/16-18

Grip Range

 .030 - .125 in

Identification Mark

 Blank

B ± .015

 .665 in a1060.jpg

C Nom.

 .062 in

øD + .000 - .004

 .413 in

E Max.

 .505 in

F + .005 -.000

 .120 in

G Max.

 .040 in

M Ref.

 .505 in

P - Keyway Width + .003 -.000

 .128 in

H - Keyway Height

 .097 - .102 in

Install Drill Size Ref.

 Z

Install Hole Size Min.

 .413 in

Install Hole Size Max.

 .423 in

Pull Up Factor

 .120 in

Weight per 1000

 18.8 lb

Fastening

 Installed

Thread Specification

 3B per ASME B1.1

Standard Material

 Alloy No. 260 Brass

Standard Finish

 None - bright as machined

CAD Supplier

 PennEngineering® (Atlas®)