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Operation
The proper fastening torque may differ depending upon the kind or
size
of
the screw, the
type of material to be fastened, etc. The relation between fastening torque and fastening
time is shown in the figures below.
Machine screw
High
K g
.
cm
l f t
lhrl
200
50
Proper fartenlny torque
141
f o r M6 11/4"1
0
0 5
1 0
Seconds
Fastening time
tensile bolt
Ky c m
l f t
lbrl
M10
1318")
Proper fasten,ng torque
for
M10
13/8"l
M8
15/16")
400
Proper fartenlng tolque
for M8 15/16")
200
1151
0
1
0
2.0
3.0 Seconds
Fastening time
Standard
bolt
K g
. c m
l i t
Ihs)
1 0
2 0
3 0
Seconds
Fastening time
9
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