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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

#10-32

Grip Range

.266 - .316 in

Identification Mark

4 Rad.

B Ref.

.391 in
a1058.jpg

C Max.

.065 in

øD + .000 - .004

.250 in

E Max.

.302 in

F + .005 -.000

.054 in

J Ref.

.635 in

K Ref.

.385 in

P - Keyway Width + .003 -.000

.062 in

H - Keyway Height

.056 - .058 in

Install Drill Size Ref.

1/4

Install Hole Size Min.

.250 in

Install Hole Size Max.

.256 in

Pull Up Factor

.080 in

Weight per 1000

7.7 lb

Fastening

Installed

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®)