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  • Feature a minimized-profile head and knurled shank.
  • Allows near-flush installations with no need for special hole preparations such as countersinking or dimpling.
  • Additional thread sizes and grip ranges available.
  • Also available in aluminum, brass, and monel ®. Call for availability.
Unit of Measure

Specifications

Thread Size

N/A 1/4-20

Grip Range

N/A .165 - .260 in

B ± .015

N/A .455 in a1026.jpg

C Nom.

N/A .022 in

øD Max.

N/A .390 in

M Ref.

N/A .380 in

Hole Size in Sheet + .006 - .000

N/A .391 in

Fastening

N/A Installed

Thread Specification

N/A 2B per ASME B1.1

Standard Material

N/A Low Carbon Steel, C-1008 or, C-1010 or equivalent

Standard Finish

N/A Zinc plated per ASTM B633, SC1 (5µm), Type II, yellow

CAD Supplier

N/A PennEngineering® (Atlas®)