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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.

When blind-threaded types are used, outer sheet surfaces are not only flush, but c
Unit of Measure

Thread Size

 .112-40 (#4-40)

Thread Code

 6440

Length Code

 12

Min. Sheet Thickness

 .040 in

Hole Size in Sheet + .003 - .000

 .213 in

C + .000 - .005

 .212 in
a1351_1.jpg

F Min.

 .156 in

H Nom.

 .250 in
L - Length +.002 –.0051 .375 in
Min. Dist. Hole C/L to Edge2 .27 in
For Use in Sheet Hardness3 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 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.