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PEMSERT self-clinching flush nuts are designed to be completely flush in sheets as thin as .060”.

These fasteners are ideal for applications where a thin sheet requires load-bearing threads but still must remain smooth, with no protrusions on either surface. The PEM flush nut can be installed easily by squeezing it into a round hole in metal sheets. When the fastener is installed, both the top and the bottom of the sheet remain smooth, enhancing the functional and cosmetic qualities of themore
Unit of Measure

Thread Size

.112-40 (#4-40)

Thread Code

440

Shank Code

1

A (Shank) Max.

.060 in
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Sheet Thickness

.060 to .091 in

Hole Size in Sheet + .003 - .000

.172 in

C Max.

.171 in

H Nom.

.188 in

Min. Dist. Hole C/L to Edge

.23 in
For Use in Sheet Hardness1 HRB 70 / HB 125 or Less

Thread Specification

Internal, ASME B1.1, 2B

Fastener Material

300 Series Stainless Steel

Standard Finish

Passivated and/or tested per ASTM A380

CAD Supplier

PennEngineering® (PEM®)
  • 1 HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.