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PEM® brand self-clinching blind fasteners provide permanently mounted blind threads in metal sheets as thin as .040”.
  • Provides barrier to protect threads against foreign matter.
  • Protects internal components from intrusion of screws.
PEM blind fasteners employ the proven PEM self-clinching design and are easily installed in properly sized holes. Shanks of PEM fasteners act as their own pilots. PEM blind fasteners can be installed with any standard press applying squeezing forces between parallel surfaces.

PEM self-clinching blind fasteners are available in thread sizes from #4-40 through 1/4-20 in carbon or stainless steel.
Unit of Measure

Thread Size

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

Thread Code

N/A 440

Shank Code

N/A 1

A (Shank) Max.

N/A .038 in a1365.jpg
Min. Sheet Thickness1 N/A .040 in

Hole Size in Sheet + .003 - .000

N/A .166 in

B Max.

N/A .150 in

C Max.

N/A .165 in

E ± .010

N/A .250 in

F Min.

N/A .210 in

L Max.

N/A .335 in

T ± .010

N/A .380 in

Min. Dist. Hole C/L to Edge

N/A .19 in
For Use in Sheet Hardness2 N/A HRB 80 / HB 150 or less

Thread Specification

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

Fastener Material

N/A Heat-Treated Carbon Steel

Standard Finish

N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless

CAD Supplier

N/A PennEngineering® (PEM®)
  • 1 For maximum performance, we recommend that you use the maximum shank length for your sheet thickness.
  • 2 HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.

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