PennEngineering
PennEngineering
Corporate Headquarters – Danboro, PA
5190 Old Easton Rd.
Danboro, PA 18916
Phone: 215-766-8853
Toll-Free Phone: 1-800-237-4736 (U.S. only)
Email: info@pemnet.com
Website: www.pemnet.com
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  • Press-fit insert provides strong, reusable threads. No heat or ultrasonics required.
  • Hexagonal “barbed” configuration ensures high torqueout and pullout values.
  • Aluminum inserts ideal for light weight designs.
  • Aluminum and stainless steel inserts offer lead-free alternative.
Unit of Measure

Specifications

Thread Size

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

Type

 N/A NFPC

Thread Code

 N/A 0420

A Max.

 N/A .315 in a1295.jpg

C Max.

 N/A .311 in

E Nom.

 N/A .312 in

Min. Sheet Thickness

 N/A .328 in

Hole Size in Sheet + .003 - .000

 N/A .312 in

Min. Boss Dia.

 N/A .750 in
Min. Depth Full Thread H1 N/A .300 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 pilot end.