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  • Designed for high load applications. Available with rib, key or full hex features for high torque applications.
  • 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

.455 - .540 in

Identification Mark

5 Rad.

A ± .015

1.312 in

B ± .015

.781 in a1060_1.jpg

C Nom.

.088 in

øD + .000 - .004

.490 in

E Max.

.597 in

F + .005 -.000

.120 in

G Max.

.040 in

P - Keyway Width + .003 -.000

.128 in

H - Keyway Height

.110 - .115 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

38.5 lb

Fastening

Uninstalled

Thread Specification

3B per ASME B1.1

Standard Material

430 Series Stainless Steel

Standard Finish

Passivated and/or tested per ASTM A380

CAD Supplier

PennEngineering® (Atlas®)

Inventory