• 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

N/A 1/4-20

Identification Mark

N/A 5 Rad.

Install Drill Size Ref.

N/A Q

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®)