• 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.

Thread Size

 #4-40

Identification Mark

 5 Rad.

Install Drill Size Ref.

 5/32

Fastening

 Installed

Thread Specification

 3B per ASME B1.1

Standard Material

 4037 Alloy Steel

Standard Finish

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

CAD Supplier

 PennEngineering® (Atlas®)