Part # BSO4-440-12, Blind Threaded Standoffs for Installation into Stainless Steel - Type BSO4

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 .040”.

If you require a standoff which we do not offer in this bulletin, please contact us. We will be happy to work with you to satisfy your special need.

Unit of Measure

Specifications

Thread Size	N/A .112-40 (#4-40)
Thread Code	N/A 440
Length Code	N/A 12
Material Code	N/A 4
Min. Sheet Thickness	N/A .040 in
Hole Size in Sheet + .003 - .000	N/A .166 in
C + .000 - .005	N/A .165 in
F Min.	N/A .156 in
H Nom.	N/A .187 in
L - Length +.002 –.005	N/A .375 in
Min. Dist. Hole C/L to Edge	N/A .23 in
For Use in Sheet Hardness¹	N/A HRB 88 / HB 176 or Less
Thread Specification	N/A Internal, ANSI B1.1, 2B
Fastener Material	N/A 400 Series Stainless Steel
Standard Finish	N/A Passivated and/or tested per ASTM A380
CAD Supplier	N/A PennEngineering® (PEM®)

¹ HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.

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Thread Size

Thread Code

Length Code

Material Code

Min. Sheet Thickness

Hole Size in Sheet + .003 - .000

C + .000 - .005

F Min.

H Nom.

L - Length +.002 –.005

Min. Dist. Hole C/L to Edge

Thread Specification

Fastener Material

Standard Finish

CAD Supplier