Hitachi WR9DM2 - Manual (Page 24)

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24
Tightening time: sec
(Steel plate thickness
t = 1" (25 mm))
Tightening time: sec
(Steel plate thickness
t = 1" (25 mm))
Tightening time: sec
(Steel plate thickness
t = 3/8" (10 mm))
Tightening torque Tightening torque Tightening torque
0 1 2 3
kgf·cm
(in-lbs)
N·m
(1736)
(1302)
(868)
(434)
3/8"×1-5/32"
(M10×30)
200
150
100
50
0
2000
1500
1000
500
0
0 1 2 3
kgf·cm
(in-lbs)
N·m
(1736)
(1302)
(868)
(434)
15/32"×1-3/4"
(M12×45)
200
150
100
50
0
2000
1500
1000
500
0
0 1 2 3
kgf·cm
(in-lbs)
N·m
(1736)
(1302)
(868)
(434)
9/16"×1-15/16"
(M14×50)
200
150
100
50
0
2000
1500
1000
500
0
Fig. 19
High strength bolt
High strength bolt
Ordinary bolt Ordinary bolt Ordinary bolt
1200
1000
800
600
400
200
0
120
100
80
60
40
20
0
0 1 2 3
(868)
(694)
(521)
(347)
(174)
(1042)
1000
800
600
400
200
0
100
80
60
40
20
0
0 1 2 3
(868)
(694)
(521)
(347)
(174)
1000
800
600
400
200
0
100
80
60
40
20
0
0 1 2 3
(868)
(694)
(521)
(347)
(174)
Tightening torque
Tightening torque Tightening torque
High strength bolt
High strength bolt
Ordinary bolt
Ordinary bolt
kgf·cm
N·m
5/16"×1-3/6"
(in-lbs) (M8×30)
kgf·cm
N·m
3/8"×1-3/6"
(in-lbs) (M10×30)
kgf·cm
N·m
15/32"×1-3/4"
(in-lbs) (M12×45)
High strength bolt
Tightening time: sec
(Steel plate thickness
t = 3/8" (10 mm))
Tightening time: sec
(Steel plate thickness
t = 1" (25 mm))
Tightening time: sec
(Steel plate thickness
t = 1" (25 mm))
Fig. 18
High strength
bolt