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Online literature contains the most current information available.
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 .250-20 (1/4-20)

Thread Code

N/A 0420

Shank Code

N/A 2

A (Shank) Max.

N/A .087 in a1365.jpg

Min. Sheet Thickness

N/A .090 in

Hole Size in Sheet + .003 - .000

N/A .344 in

B Max.

N/A .305 in

C Max.

N/A .343 in

E ± .010

N/A .430 in

F Min.

N/A .310 in

L Max.

N/A .500 in

T ± .010

N/A .560 in

Min. Dist. Hole C/L to Edge

N/A .34 in
For Use in Sheet Hardness1 N/A HRB 70 / HB 125 or Less

Thread Specification

N/A Internal, ANSI 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 HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.