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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.

Types BSO4 standoffs are for installation into stainless steel sheets as thin as .
Unit of Measure

Thread Size

.112-40 (#4-40)

Thread Code

6440

Length Code

28

Material Code

4

Min. Sheet Thickness

.040 in

Hole Size in Sheet + .003 - .000

.213 in

C + .000 - .005

.212 in
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F Min.

.375 in

H Nom.

.250 in

L - Length +.002 –.005

.875 in

Min. Dist. Hole C/L to Edge

.27 in
For Use in Sheet Hardness1 HRB 88 / HB 176 or Less

Thread Specification

Internal, ANSI B1.1, 2B

Fastener Material

400 Series Stainless Steel

Standard Finish

Passivated and/or tested per ASTM A380

CAD Supplier

PennEngineering® (PEM®)
  • 1 HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.

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