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Stainless Steel Standoffs - Types CSS, CSOS - Unified
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PEM® Brand Fasteners for Metal Sheets and Panels
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Standoffs for Sheet Metal
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Concealed-Head Standoffs – Types CSOS, CSS
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Stainless Steel Standoffs - Types CSS, CSOS - Unified
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These standoffs ensure permanent mounting in metal sheets as thin as .062 in.
The fastener head is locked securely in a blind, milled hole and is able to handle substantial loads. The concealed-head feature allows the side of the sheet opposite installation to remain smooth.
Sheet preparation only requires a milled blind hole to the recommended minimum depth. Center-cutting end mills for hole preparation are available from PennEngineering. Installation of the concealed-head studs and standoffs is simple using a hollow anvil and solid punch. Place the head of the fastener in the hole and insert using any standard press. Displaced sheet metal flows smoothly around the head into the undercut.
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CSS_CSOS_Installed
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Results 1 - 25 of 80
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Part #
Thread Size
Style
Shank
Blind Mounting Hole Diameter + .003 - .000
L - Length + .002 –.005
A Max.
B Max.
C Max.
CAD
Min. Depth Full Thread F
CSOS-440-3
.112-40 (#4-40)
#1
Long
.213
in
.187
in
.072
in
.165
in
.212
in
.188
in
CSOS-632-3
.138-32 (#6-32)
#1
Long
.290
in
.187
in
.072
in
.213
in
.289
in
.250
in
CSOS-832-3
.164-32 (#8-32)
#1
Long
.312
in
.187
in
.072
in
.245
in
.311
in
.250
in
CSOS-032-3
.190-32 (#10-32)
#1
Long
.344
in
.187
in
.072
in
.290
in
.343
in
.375
in
CSOS-0420-3
.250-20 (1/4-20)
#1
Long
.390
in
.187
in
.072
in
.354
in
.389
in
.375
in
CSOS-440-4
.112-40 (#4-40)
#2
Long
.213
in
.250
in
.072
in
.165
in
.212
in
.188
in
CSOS-632-4
.138-32 (#6-32)
#1
Long
.290
in
.250
in
.072
in
.213
in
.289
in
.250
in
CSOS-832-4
.164-32 (#8-32)
#1
Long
.312
in
.250
in
.072
in
.245
in
.311
in
.250
in
CSOS-032-4
.190-32 (#10-32)
#1
Long
.344
in
.250
in
.072
in
.290
in
.343
in
.375
in
CSOS-0420-4
.250-20 (1/4-20)
#1
Long
.390
in
.250
in
.072
in
.354
in
.389
in
.375
in
CSOS-440-5
.112-40 (#4-40)
#2
Long
.213
in
.312
in
.072
in
.165
in
.212
in
.188
in
CSOS-632-5
.138-32 (#6-32)
#2
Long
.290
in
.312
in
.072
in
.213
in
.289
in
.250
in
CSOS-832-5
.164-32 (#8-32)
#2
Long
.312
in
.312
in
.072
in
.245
in
.311
in
.250
in
CSOS-032-5
.190-32 (#10-32)
#1
Long
.344
in
.312
in
.072
in
.290
in
.343
in
.375
in
CSOS-0420-5
.250-20 (1/4-20)
#1
Long
.390
in
.312
in
.072
in
.354
in
.389
in
.375
in
CSOS-440-6
.112-40 (#4-40)
#2
Long
.213
in
.375
in
.072
in
.165
in
.212
in
.188
in
CSOS-632-6
.138-32 (#6-32)
#2
Long
.290
in
.375
in
.072
in
.213
in
.289
in
.250
in
CSOS-832-6
.164-32 (#8-32)
#2
Long
.312
in
.375
in
.072
in
.245
in
.311
in
.250
in
CSOS-032-6
.190-32 (#10-32)
#1
Long
.344
in
.375
in
.072
in
.290
in
.343
in
.375
in
CSOS-0420-6
.250-20 (1/4-20)
#1
Long
.390
in
.375
in
.072
in
.354
in
.389
in
.375
in
CSOS-440-8
.112-40 (#4-40)
#3
Long
.213
in
.500
in
.072
in
.165
in
.212
in
.188
in
CSOS-632-8
.138-32 (#6-32)
#3
Long
.290
in
.500
in
.072
in
.213
in
.289
in
.250
in
CSOS-832-8
.164-32 (#8-32)
#3
Long
.312
in
.500
in
.072
in
.245
in
.311
in
.250
in
CSOS-032-8
.190-32 (#10-32)
#2
Long
.344
in
.500
in
.072
in
.290
in
.343
in
.375
in
CSOS-0420-8
.250-20 (1/4-20)
#2
Long
.390
in
.500
in
.072
in
.354
in
.389
in
.375
in
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