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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

Identification Mark

N/A 1 Rad.

B ± .015

N/A .270
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C Nom.

N/A .025

øD + .000 - .004

N/A .155

E Max.

N/A .198

F + .005 -.000

N/A .054

G Max.

N/A .023

L ± .015

N/A .525

K Ref.

N/A .230

P - Keyway Width + .003 -.000

N/A .062

H - Keyway Height

N/A .046 - .048

Install Drill Size Ref.

N/A 5/32

Install Hole Size Min.

N/A .155

Install Hole Size Max.

N/A .157

Pull Up Factor

N/A .055

Weight per 1000

N/A 2.0

Fastening

N/A Uninstalled

Thread Specification

N/A 3B per ASME B1.1

Standard Material

N/A 430 Series Stainless Steel

Standard Finish

N/A Passivated and/or Tested Per ASTM A380

CAD Supplier

N/A PennEngineering® (Atlas®)