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.
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Unit of Measure

Thread Size

 .138-32 (#6-32)

Thread Code

 632

Length Code

 8
Min. Sheet Thickness1 .040 in

Hole Size in Sheet + .003 - .000

 .213 in

B - Counter-Bore Dia. ± .005

 .156 in
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C + .000 - .005

 .212 in

D ± .010

 0 in

H Nom.

 .250 in

L - Length +.002 –.005

 .250 in

Min. Dist. Hole C/L to Edge

 .27 in
For Use in Sheet Hardness2 HRB 80 / HB 150 or less

Thread Specification

 Internal, ANSI B1.1, 2B

Fastener Material

 Heat-Treated Carbon Steel

Standard Finish

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

CAD Supplier

 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.