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  • Features a low-profile.
  • Allows near-flush installations with no need for special hole preparations such as countersinking or dimpling.
  • Additional thread sizes and grip ranges available.
Unit of Measure

Thread Size

1/4-28

Grip Range

.030 - .165 in

B ± .015

.425 in
a1036.jpg

C Nom.

.022 in

øD Max.

.374 in

M Ref.

.440 in

Hole Size in Sheet + .006 - .000

.375 in

Fastening

Installed

Thread Specification

2B per ASME B1.1

Standard Material

Low Carbon Steel

Standard Finish

RoHS Compliant Zinc Clear Plus Lubricant

CAD Supplier

PennEngineering® (Atlas®)

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