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Concealed-Head Studs - Types CHA,CFHA,CHC,CFHC - Unified
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Concealed-Head Studs - Types CHA,CFHA,CHC,CFHC - Unified
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Concealed-Head Studs - Types CHA,CFHA,CHC,CFHC - Unified
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These studs 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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Results 1 - 25 of 88
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Part #
Thread Size
Blind Mounting Hole Diameter + .003 - .000
L - Length ± .015
E ± .010
C Max.
Fastener Material
Standard Finish
CAD
CHA-440-4
.112-40 (#4-40)
.172
in
.250
in
.205
in
.171
in
Aluminum
N/A
CHA-632-4
.138-32 (#6-32)
.213
in
.250
in
.250
in
.212
in
Aluminum
N/A
CHA-832-4
.164-32 (#8-32)
.290
in
.250
in
.328
in
.289
in
Aluminum
N/A
CHA-440-6
.112-40 (#4-40)
.172
in
.375
in
.205
in
.171
in
Aluminum
N/A
CHA-632-6
.138-32 (#6-32)
.213
in
.375
in
.250
in
.212
in
Aluminum
N/A
CHA-832-6
.164-32 (#8-32)
.290
in
.375
in
.328
in
.289
in
Aluminum
N/A
CHA-032-6
.190-32 (#10-32)
.312
in
.375
in
.350
in
.311
in
Aluminum
N/A
CHA-440-8
.112-40 (#4-40)
.172
in
.500
in
.205
in
.171
in
Aluminum
N/A
CHA-632-8
.138-32 (#6-32)
.213
in
.500
in
.250
in
.212
in
Aluminum
N/A
CHA-832-8
.164-32 (#8-32)
.290
in
.500
in
.328
in
.289
in
Aluminum
N/A
CHA-032-8
.190-32 (#10-32)
.312
in
.500
in
.350
in
.311
in
Aluminum
N/A
CHA-440-10
.112-40 (#4-40)
.172
in
.625
in
.205
in
.171
in
Aluminum
N/A
CHA-632-10
.138-32 (#6-32)
.213
in
.625
in
.250
in
.212
in
Aluminum
N/A
CHA-832-10
.164-32 (#8-32)
.290
in
.625
in
.328
in
.289
in
Aluminum
N/A
CHA-032-10
.190-32 (#10-32)
.312
in
.625
in
.350
in
.311
in
Aluminum
N/A
CHA-440-12
.112-40 (#4-40)
.172
in
.750
in
.205
in
.171
in
Aluminum
N/A
CHA-632-12
.138-32 (#6-32)
.213
in
.750
in
.250
in
.212
in
Aluminum
N/A
CHA-832-12
.164-32 (#8-32)
.290
in
.750
in
.328
in
.289
in
Aluminum
N/A
CHA-032-12
.190-32 (#10-32)
.312
in
.750
in
.350
in
.311
in
Aluminum
N/A
CHA-632-16
.138-32 (#6-32)
.213
in
1.00
in
.250
in
.212
in
Aluminum
N/A
CHA-832-16
.164-32 (#8-32)
.290
in
1.00
in
.328
in
.289
in
Aluminum
N/A
CHA-032-16
.190-32 (#10-32)
.312
in
1.00
in
.350
in
.311
in
Aluminum
N/A
CFHA-440-4
.112-40 (#4-40)
.172
in
.250
in
.205
in
.171
in
Aluminum
N/A
CFHA-632-4
.138-32 (#6-32)
.213
in
.250
in
.250
in
.212
in
Aluminum
N/A
CFHA-832-4
.164-32 (#8-32)
.290
in
.250
in
.328
in
.289
in
Aluminum
N/A
Results 1 - 25 of 88
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