Tightening Torque - Hitachi WH 14DMR Technical Data And Service Manual

7-3. Tightening Torque

7-3-1. Tightening torque characteristic comparisons
(1) Impact driver (14.4 V)
kgf . cm N . m
180
1800 (1562 in-lbs.)
160
1600 (1389 in-lbs.)
140
1400 (1215 in-lbs.)
120
1200 (1042 in-lbs.)
100
1000 (868 in-lbs.)
80
800 (694 in-lbs.)
60
600 (521 in-lbs.)
40
400 (347 in-lbs.)
200 (174 in-lbs.) 20
0
0
(2) Impact driver (18 V)
kgf . cm N . m
180
1800 (1562 in-lbs.)
160
1600 (1389 in-lbs.)
140
1400 (1215 in-lbs.)
120
1200 (1042 in-lbs.)
100
1000 (868 in-lbs.)
80
800 (694 in-lbs.)
60
600 (521 in-lbs.)
40
400 (347 in-lbs.)
200 (174 in-lbs.)
20
0
0
WH 14DM
0
0 1
WH 18DMR
0
0 1
WH 14DMR
Test conditions
Bolt: M14 x 50 mm, high-strength bolt
Steel plate: SS34P
Accessory tool: Hexagon socket
P1
3 (sec.)
2
Test conditions
Bolt: M14 x 50 mm, high-strength bolt
Steel plate: SS34P
Accessory tool: Hexagon socket
P2
3 (sec.)
2
--- 15 ---
Thickness 25 mm
(length: 40 mm,
width across flat: 19 mm)
Thickness 25 mm
(length: 40 mm,
width across flat: 19 mm)