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  • Low Carbon Steel insert for superior corrosion resistance.
  • Hexagonal hole for increased spinout resistance.
  • Additional thread sizes and grip ranges available.
  • Other materials available.
Installed With a Spin-Pull Tool.
Unit of Measure

Thread Size

1/4-20

Grip Range

.120 - .220 in

B ± .010

.394 in
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C ± .005

.020 in

D Max.

.353 in

M Ref.

.344 in

Hole Size In Sheet + .004 -.000

.354 in

Fastening

Installed

Thread Specification

2B per ASME B1.1

Standard Material

Low Carbon Steel

Standard Finish

RoHS Compliant Zinc Clear per ASTM B 633, Fe/Zn 8, Type V

CAD Supplier

PennEngineering® (Atlas®)