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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  • Installs into thin, harder, high strength steel materials (high strength steel sheets at 975MPA maximum ultimate tensile)
  • Allows overall weight reduction for all vehicles
  • Provides lower installed cost
  • Unplated threads may be oversized sized as permitted by thread standards to accept minimum plating thickness of .00020”/.0051 mm
Compare to other thin sheet fastening devices:
  • Addresses environmental concerns
  • Smaller outer diameter
  • Lighter weight
  • Flush on reverse side of panel
  • Close to edge of panel
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Unit of Measure

Specifications

Thread Size

 .250-20 (1/4-20)

Thread Code

 0420

Shank Code

 2

A (Shank) Max.

 .087 in Type-S-Hard-Panel-Nuts_2.jpg
Min. Sheet Thickness1 .090 in

Hole Size in Sheet + .003 - .000

 .344 in

C Max.

 .343 in

E ± .010

 .440 in

T ± .010

 .170 in

Min. Dist. Hole C/L to Edge

 .34 in
For Use in Sheet Hardness2 HRC 30 / HB 277 or Less

Thread Specification

 Internal, ASME B1.1, 2B / ASME B1.13M, 6H

Fastener Material

 Hardened Alloy Steel
Standard Finish3 No Finish (with Rust Preventative Oil)

Optional Finish

 Consult technical support for recommended optional finishes.

CAD Supplier

 PennEngineering® (PEM®)
  • 1 For maximum performance, we recommend that you use the maximum shank length for your sheet thickness.
  • 2 HRC - Hardness Rockwell "C" Scale. HB - Hardness Brinell.
  • 3 Unplated threads are sized to accept a basic go gauge after .00025 in plating.