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All Categories > PEM® Brand Fasteners for Metal Sheets and Panels > Nuts for Sheet Metal > Hard Panel Nuts - Type SH™ > Type SH™ Hard Panel Nuts - Unified > Part # SH-0420-2X  
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Part # SH-0420-2X, Type SH™ Hard Panel Nuts - Unified


  • 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 mounting
  • No embossing required
  • Hardened nut material provides stronger thread strength
  • Can be installed automatically using press or in-die technology




 Specifications   

Thread Size
.250-20 (1/4-20)

Thread Code
0420

Shank Code
2

A (Shank) Max.

 View
.087 in

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.



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