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Tel 800.466.1940
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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 .250-20 (1/4-20)

Thread Code

 N/A 0420
Shank Code1 N/A 2

A (Shank) Max.

 N/A .087 in a1365_1.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.2 N/A .500 in

T ± .010

 N/A .560 in
Min. Dist. Hole C/L to Edge3 N/A .34 in
For Use in Sheet Hardness4 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®)

Inventory

 N/A {0}
  • 1 Other shank and screw lengths available.
  • 2 The “L” dimension is the height of the installed stud at max grip. The height of the stud will increase if it is installed into thinner material. To calculate “actual L” use this formula: max grip - actual grip + L = “actual L”
  • 3 To minimize sheet distortion and maximize product performance, use a centerline-to-edge value greater or equal to the value specified.
  • 4 HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.