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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

 N/A #4-40

Grip Range

 N/A .060 - .085 in

Identification Mark

 N/A 1 Rad.

B ± .015

 N/A .270 in a1060_1.jpg

C Nom.

 N/A .025 in

øD + .000 - .004

 N/A .155 in

E Max.

 N/A .198 in

F + .005 -.000

 N/A .054 in

G Max.

 N/A .023 in
L ± .0151 N/A .525 in

K Ref.

 N/A .230 in

P - Keyway Width + .003 -.000

 N/A .062 in

H - Keyway Height

 N/A .046 - .048 in

Install Drill Size Ref.

 N/A 5/32

Install Hole Size Min.

 N/A .155 in

Install Hole Size Max.

 N/A .157 in

Pull Up Factor

 N/A .055 in

Weight per 1000

 N/A 2.0 lb

Fastening

 N/A Uninstalled

Thread Specification

 N/A 3B per ASME B1.1

Standard Material

 N/A 4037 Alloy Steel

Standard Finish

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

CAD Supplier

 N/A PennEngineering® (Atlas®)
  • 1 The “L” dimension is the height of the installed stud at max grip. The height of the stud will increase if it is installed into thinner material. To calculate “actual L” use this formula: max grip - actual grip + L = “actual L”