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All Categories > PEM® Brand Fasteners for Metal Sheets and Panels > Standoffs for Sheet Metal > Blind, Threaded Standoffs – Types BSO, BSO4, BSOA, BSOS > Blind Threaded Standoffs – Type BSO4 > Blind Threaded Standoffs for Installation into Stainless Steel - Type BSO4 - Metric > Part # BSO4-3.5M3-20  
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Part # BSO4-3.5M3-20, Blind Threaded Standoffs for Installation into Stainless Steel - Type BSO4 - Metric


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 1




 Specifications   

Thread Size x Pitch
M3 x 0.5

Thread Code
3.5M3

Length Code
20

Material Code
4

Min. Sheet Thickness
1 mm

Hole Size in Sheet + 0.08
5.41 mm

C - 0.13

 View
5.39 mm

F Min.
9.50 mm

H Nom.
6.4 mm

L - Length + 0.05 –0.13
20 mm

Min. Dist. Hole C/L to Edge
6.8 mm

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

Thread Specification
Internal, ANSI/ASME B1.13M, 6H

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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