• 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

Thread Size

N/A 5/16-18

Grip Range

N/A .027 - .150 in

B ± .015

N/A .595 in a1027.jpg

C Nom.

N/A .022 in

øD Max.

N/A .530 in

K Min.

N/A .820 in

M Ref.

N/A 1.175 in

Hole Size in Sheet + .006 - .000

N/A .531 in


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 Plate per ASTM B 633, Fe/Zn 8, Type II

CAD Supplier

N/A PennEngineering® (Atlas®)