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Online literature contains the most current information available.
  • Feature a hex body design.
  • Improved torque-out resistance.
  • Additional thread sizes and grip ranges available.
  • Also available in aluminum and brass. Call for availability.
Unit of Measure

Thread Size

N/A 1/4-20

Grip Range

N/A .027 - .165 in

B ± .015

N/A .510 in a1030.jpg

C Nom.

N/A .030 in

øD Max.

N/A .374 in

M Ref.

N/A .400 in

Hole Size In Sheet + .006 -.000

N/A .375 in


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 Plus Lubricant

CAD Supplier

N/A PennEngineering® (Atlas®)