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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Standoffs, Thru-Hole, Threaded and Unthreaded – Types SO, SO4, SOA, SOS
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Thru-Hole Threaded Standoffs – Type SO4
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Thru-Hole Threaded Standoffs for Installation into Stainless Steel - Type SO4 - Unified
> Part # SO4-6440-18
Part # SO4-6440-18, Thru-Hole Threaded Standoffs for Installation into Stainless Steel - Type SO4 - 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 SO4 standoffs are for installation into stainless steel sheets as thin as .0
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
B - Counter-Bore Dia. ± .005
N/A
.125 in
C + .000 - .005
N/A
.212 in
D ± 0.01
N/A
.187 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.