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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 parallelmore
Unit of Measure

Thread Size

 .250-20 (1/4-20)

Thread Code

 0420
Shank Code1 2

A (Shank) Max.

 .087 in
a1365_1.jpg

Min. Sheet Thickness

 .090 in

Hole Size in Sheet + .003 - .000

 .344 in

B Max.

 .305 in

C Max.

 .343 in

E ± .010

 .430 in

F Min.

 .310 in
L Max.2 .500 in

T ± .010

 .560 in
Min. Dist. Hole C/L to Edge3 .34 in
For Use in Sheet Hardness4 HRB 70 / HB 125 or Less

Thread Specification

 Internal, ANSI B1.1, 2B

Fastener Material

 300 Series Stainless Steel

Standard Finish

 Passivated and/or tested per ASTM A380

CAD Supplier

 PennEngineering® (PEM®)

Inventory
  • 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.