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  • Designed for use in straight or tapered holes.
  • Symmetrical design eliminates the need for orientation.
  • Aluminum inserts ideal for light weight designs.
  • Aluminum and stainless steel inserts offer lead-free alternative.
Unit of Measure

Thread Size

 N/A .250-20 (1/4-20)

Type

 N/A ISB
Thread Code1 N/A 0420

A ± .005

 N/A .500 in a1289_1.jpg

E ± .009

 N/A .338 in

C ± .003

 N/A .311 in

Min. Hole Depth

 N/A .530 in

Hole Dia. +.003 -.000

 N/A .315 in

Thread Specification

 N/A 2B per ASME B1.1

Standard Material

 N/A Free-machining, Leaded Brass

Standard Finish

 N/A Plain

CAD Supplier

 N/A PennEngineering® (SI®)
  • 1 Thread tapped thru, Class 3A/4h screw must pass with finger torque, but basic go gauge may stop at last thread