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Appendix 1
– Screw List / Torque
Standard screw torque spec for QCS (A)
ITEM
P/N
DESCRIPTION
MOUNTING
MATERIAL
TORQUE
(KGF-CM)
HOLE
SIZE
(MM)
Screw
Head
1
8F.205B4.019 SCRW MACH HEX #4-40*0.3" N
Metal
D-SUB
Connector
3.5±0.5
Ф3.8±0.03 #4-40
2
8F.5A224.6R0
SCRW MACH FLATM3*0.5P*6L
ZN
Metal
Metal to metal
Plastic to metal
Side mount:
3±0.6
Other: 4±0.6
M3*0.5
#2
3
8F.EA324.6R0 SCRW TAP FH M3*6L ZN
Metal
None tread:
8~10
Have tread:
6~8
Ф2.68±0.03 #2
4
8F.5A356.8R0
SCRW MACH FH M4*8L B-ZN
NYL
Metal
Metal to metal
Plastic to metal
9.0±1.0
M4*0.7
#2
5
6K.L8810.001
ASSY SCREW M4*8L FP726A
NLK ISU
(8F.5A456.8R0+4B.L7212.001)
Metal
Metal to metal
Plastic to metal
9.0±1.0
M4*0.7
#2
6
8F.00273.6R0
SCRW TAP PH F/10WSH M3*6L
C-ZN
Metal
Metal to metal
Plastic to metal
PCB to metal
None tread:
8~10
Have tread:
6~8
Aluminum:
4~5
Ф2.68±0.03 #2
7
8F.VZ524.6R0
SCRW TAP FLAT+EXT M3*6L C-
ZN
Metal
Metal to metal
None tread:
8~10
Have tread:
6~8
Aluminum:
4~5
Ф2.68±0.03 #2
8
8F.AG224.6R0
SCRW TAP PH W/FL M3*6L W-
ZN
Metal
Metal to metal
None tread:
8~10
Have tread:
6~8
Aluminum:
4~5
Ф2.68±0.03 #2
9
8F.00518.100
SCRW TAP W/FL
M3*10L(S3.8)ZN
Metal
Metal to metal
Plastic to metal
SPK to metal
None tread:
8~10
Have tread:
6~8
Aluminum:
4~5
Ф2.68±0.03 #2
10
8F.00003.143 SCRW TAP PAN #4-40*3/8
Aluminum
(Heatsink)
3.3±0.3
Ф2.60±0.03 #2
11 8F.VG234.6R0
SCRW TAP PH W/F M3*6 TP-S
ZN
Aluminum
(Heatsink)
None tread:
8~10
Have tread:
6~8
Aluminum:
4~5
Ф2.68±0.03 #2
