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6-4. Tightening Speed
Tightening speed comparison is shown below. The data below are intended for general reference only because
actual tightening speed may vary depending on ambient temperature, characteristics of battery, etc.
3 Wood screw 4.5 mm dia., 90 mm length, lauan
4 Wood screw 5.3 mm dia., 120 mm length, lauan
2 Wood screw 4.2 mm dia., 75 mm length, lauan
1 Wood screw 4.0 mm dia., 50 mm length, lauan
HITACHI WH 9DM2
HITACHI WH 9DM
C
1.5 sec.
Model
sec.
1.3 sec.
2.0 sec.
1
2
3
4
5
Fast
Slow
2.7 sec.
Model
sec.
2.3 sec.
3.5 sec.
1
2
3
4
5
Fast
Slow
4.6 sec.
Model
sec.
4.0 sec.
6.3 sec.
Fast
Slow
10.0 sec.
Model
9.2 sec.
15.0 sec.
1
2
3
4
5
6
7
8
9
10
sec.
Fast
Slow
2
4
6
8
10
12
14
16
18
20
HITACHI WH 9DM2
HITACHI WH 9DM
C
HITACHI WH 9DM2
HITACHI WH 9DM
C
HITACHI WH 9DM2
HITACHI WH 9DM
C