Type SMPS self-clinching nuts are for installation into ultra-thin sheets. They feature a lower profile and can be mounted closer to the edge of a sheet than other self-clinching nuts.
  • Installs into sheets as thin as .025”.
  • Recommended for use in sheets HRB (Rockwell “B” scale) 70 or less and HB (Hardness Brinell) 125 or less.
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Unit of Measure

Thread Size

 N/A .112-40 (#4-40)

Thread Code

 N/A 440

A (Shank) Max.

 N/A .024 in a1384.jpg
Min. Sheet Thickness1 N/A .025 in

Hole Size in Sheet + .003 - .000

 N/A .166 in

C Max.

 N/A .165 in

E ± .010

 N/A .220 in

T ± .010

 N/A .065 in

Min. Dist. Hole C/L to Edge

 N/A .170 in

For Use in Sheet Hardness

 N/A HRB 70 / HB 125 or Less

Thread Specification

 N/A Internal, ASME B1.1, 2B

Fastener Material

 N/A 300 Series Stainless Steel

Standard Finish

 N/A Passivated and/or Tested Per ASTM A380

CAD Supplier

 N/A PennEngineering® (PEM®)
  • 1 For maximum performance, we recommend that you use the maximum shank length for your sheet thickness.