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  • Designed for high load applications. Full hex feature for high torque applications.
  • Additional thread sizes and grip ranges are available.
  • Other materials available. Cadmium finish available upon request.
Unit of Measure

Thread Size

5/16-18

Grip Range

.030 - .105 in

Identification Mark

Blank

A ± .015

.562 in

B ± .015

.562 in
a1063.jpg

C Nom.

.048 in

D Max.

.368 in

Hex Hole Size In Sheet + .005 -.000

.369 in

Fastening

Uninstalled

Thread Specification

2B per ASME B1.1

Standard Material

Low Carbon Steel

Standard Finish

RoHS Compliant Zinc Yellow

Min. Tensile Strength (PSI Ult.)

45,000

CAD Supplier

PennEngineering® (Atlas®)