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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

N/A 5/16-18

Grip Range

N/A .175 - .245 in

Identification Mark

N/A 2 Rad.

B ± .015

N/A .562 in a1063.jpg

C Nom.

N/A .048 in

D Max.

N/A .368 in

M Ref.

N/A .375 in

Hex Hole Size In Sheet + .005 -.000

N/A .369 in

Fastening

N/A Installed

Thread Specification

N/A 2B per ASME B1.1

Standard Material

N/A Low Carbon Steel

Standard Finish

N/A RoHS Compliant Zinc Yellow

Min. Tensile Strength (PSI Ult.)

N/A 45,000

CAD Supplier

N/A PennEngineering® (Atlas®)