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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

 N/A 1/2-13

Grip Range

 N/A .426 - .526 in

Identification Mark

 N/A 3 Rad.

A ± .015

 N/A 1.312 in

B Ref.

 N/A .906 in a1058_1.jpg

C Max.

 N/A .124 in

øD + .000 - .004

 N/A .625 in

E Max.

 N/A .733 in

F + .005 -.000

 N/A .120 in

Install Drill Size Ref.

 N/A 5/8

Install Hole Size Min.

 N/A .625 in

Install Hole Size Max.

 N/A .635 in

Pull Up Factor

 N/A .185 in

Weight per 1000

 N/A 16.9 lb

Fastening

 N/A Uninstalled

Thread Specification

 N/A 3B per ASME B1.1

Standard Material

 N/A 6053 Aluminum or 6061 Aluminum

Standard Finish

 N/A Anodized in accordance with MIL-A-8625, Type II, Class 1 plus lubricant

CAD Supplier

 N/A PennEngineering® (Atlas®)