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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 1/4-20

Grip Range

 N/A .020 - .085 in

Identification Mark

 N/A Blank

B ± .015

 N/A .437 in a1063_1.jpg

C Nom.

 N/A .043 in

D Max.

 N/A .296 in

M Ref.

 N/A .245 in

Hex Hole Size In Sheet + .005 -.000

 N/A .297 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®)