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

7-4. Tightening Time

The performance of the Models WH 14DMR, WH 18DMR, WR 14DMR and WR 18DMR is superior to the
competitors thanks to the large hammer and the optimized impact timing. Tightening time comparison is shown
below. The data below are intended for reference purposes only because actual tightening time will vary
depending on hardness of the workpiece, ambient temperature, characteristics of the battery, etc.
1 Wood screw 5.3 mm dia. x 120 mm length, lauan
Voltage
Model
14.4
HITACHI WH 14DMR
HITACHI WH 14DM
14.4
P1
14.4
18 HITACHI WH 18DMR
P2
18
2 Wood screw 4.5 mm dia. x 90 mm length, hemlock spruce
Voltage
Model
14.4
HITACHI WH 14DMR
HITACHI WH 14DM
14.4
P1
14.4
18 HITACHI WH 18DMR
P2
18
3 Wood screw 4.2 mm dia. x 75 mm length, hemlock spruce
Voltage
Model
14.4
HITACHI WH 14DMR
HITACHI WH 14DM
14.4
P1
14.4
18 HITACHI WH 18DMR
P2
18
Fast
2 4
Fast
1 2
2.4 sec.
2.3 sec.
2.4 sec.
2.0 sec.
2.1 sec.
Fast
1 2
1.5 sec.
1.5 sec.
1.5 sec.
1.4 sec.
1.4 sec.
--- 20 ---
Slow
6
8
6.5 sec.
6.1 sec.
7.1 sec.
5.7 sec.
6.1 sec.
Slow
3
4
Slow
3
4
10
sec.
5 sec.
5
sec.