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These standoffs, which use the proven self-clinching design, install with a squeeze in properly sized round holes - and become permanently mounted in the thin sheet.

PEM® brand thru-hole threaded standoffs are installed with their heads flush with one surface of the mounting sheet.
Unit of Measure

Thread Size

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

Thread Code

 N/A 440

Length Code

 N/A 4

Min. Sheet Thickness

 N/A .040 in

Hole Size in Sheet + .003 - .000

 N/A .166 in

B - Counter-Bore Dia. ± .005

 N/A .125 in a1349_1.jpg

C + .000 - .005

 N/A .165 in

D ± .010

 N/A 0 in

H Nom.

 N/A .187 in
L - Length +.002 –.0051 N/A .125 in
Min. Dist. Hole C/L to Edge2 N/A .23 in
For Use in Sheet Hardness3 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 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”
  • 2 To minimize sheet distortion and maximize product performance, use a centerline-to-edge value greater or equal to the value specified.
  • 3 HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.