PennEngineering
Corporate Headquarters – Danboro, PA
5190 Old Easton Rd.
Danboro, PA 18916
Phone:
215-766-8853
Toll-Free Phone:
1-800-237-4736 (U.S. only)
Email:
info@pemnet.com
Website:
www.pemnet.com
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PEM® Brand Fasteners for Metal Sheets and Panels
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Standoffs for Sheet Metal
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Blind, Threaded Standoffs – Types BSO, BSO4, BSOA, BSOS
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Blind Threaded Standoffs – Type BSO4
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Blind Threaded Standoffs for Installation into Stainless Steel - Type BSO4 - Unified
> Part # BSO4-6440-18
Part # BSO4-6440-18, Blind Threaded Standoffs for Installation into Stainless Steel - Type BSO4 - Unified
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
Imperial
Metric
Both
Specifications
Thread Size
N/A
.112-40 (#4-40)
Thread Code
N/A
6440
Length Code
N/A
18
Material Code
N/A
4
Min. Sheet Thickness
N/A
.040 in
Hole Size in Sheet + .003 - .000
N/A
.213 in
C + .000 - .005
N/A
.212 in
F Min.
N/A
.250 in
H Nom.
N/A
.250 in
L - Length +.002 –.005
N/A
.562 in
Min. Dist. Hole C/L to Edge
N/A
.27 in
For Use in Sheet Hardness
1
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.