PEM Self-clinching fasteners

Concealed-head
self-clinching studs
For metallic materials
Pem ®
Types CHA, CHC, CFHA, CFHC
Design
For invisible installation, especially for rating plates,
front panels and membrane keyboards
d 3
d 2
1,6
d 1
Material
Types CHA, CFHA: Aluminum
Types CHC, CFHC: Stainless steel 18/8 (AISI 300),
passivated
hl
L
Use
Types CHA, CFHA: For sheet hardness up to HR B
50
Types CHC, CFHC: For sheet hardness up to HR B
70
Note
• Hole of mating panel to be max. d 1
+0.5 mm
• Order a double-ended, two-flute HSS centercutting
end mill for the corresponding diameter
3-D Data: http://kvt.partcommunity.com
Order description
Aluminum
Stainless steel,
passivated
Thread
d 1
Blind hole
in sheet
+ 0.08
0
Blind hole
depth
x
min.
d 2
max.
d 3
± 0.25
d 4
h
max.
sm
sm
min.
Min.
distance
hole to edge
CHA-M3-L CHC-M3-L
1.10
1.04 1.6
M3 4.40
4.35 5.21 3.4
CFHA-M3-L CFHC-M3-L 1.91 1.80 2.4
CHA-M4-L CHC-M4-L
1.10
1.04 1.6
M4 7.40
7.35 8.33 4.4
CFHA-M4-L CFHC-M4-L 1.91 1.80 2.4
4.0
5.6
CFHA-M5-L CFHC-M5-L M5 7.95 1.91 7.90 8.89 5.4 1.80 2.4 6.4
CFHA-M6-L CFHC-M6-L M6* 8.75 1.91 8.72 9.80 6.4 1.80 2.4 7.5
Aluminum
Order description
Stainless steel,
passivated
Length code “L”
(± 0.4)
CHA-M3-L CFHA-M3-L CHC-M3-L CFHC-M3-L 6 8 10 12 16 20 –
CHA-M4-L CFHA-M4-L CHC-M4-L CFHC-M4-L 6 8 10 12 16 20 25
– CFHA-M5-L – CFHC-M5-L – – 10 12 16 20 25
– CFHA-M6-L – CFHC-M6-L – – – – 16 20 25
* Availabe upon request
www.kvt-fastening.com
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