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  • Designed for high load applications. Countersunk feature allow fastener to be installed flush with sheet surface.
  • Both UNC and UNF threads available in No. 10 and larger thread sizes. Check for availability of other grip ranges and designs.
Unit of Measure

Thread Size

3/8-16

Grip Range

.125 - .211 in

Identification Mark

Blank

A ± .015

.938 in

B Ref.

.770 in
a1058.jpg

C Max.

.124 in

øD + .000 - .004

.490 in

E Max.

.597 in

F + .005 -.000

.120 in

Install Drill Size Ref.

12.5mm

Install Hole Size Min.

.490 in

Install Hole Size Max.

.500 in

Pull Up Factor

.155 in

Weight per 1000

27.0 lb

Fastening

Uninstalled

Thread Specification

3B per ASME B1.1

Standard Material

Low Carbon Steel

Standard Finish

Cadmium Plate - .0003” minimum thickness per SAE AMS-QQ-P-416 Class 2, Type II

CAD Supplier

PennEngineering® (Atlas®)