Batch CAD Cart (0)
  • Cart is empty

Online literature contains the most current information available.
  • Designed for use in straight holes.
  • Self-aligning lead-in of insert provides for accurate alignment prior to installation.
  • 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)


Thread Code1 N/A 0420

A ± .005

N/A .500 in a1288.jpg

E ± .009

N/A .342 in

C ± .005

N/A .310 in

S1 Nom.

N/A .046 in

S2 Nom.

N/A .062 in

Min. Hole Depth

N/A .530 in

Hole Dia. + .003 -.000

N/A .316 in

Thread Specification

N/A 2B per ASME B1.1

Standard Material

N/A 300 Series Stainless Steel

Standard Finish

N/A Passivated and/or tested per ASTM A380

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.