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7-5. Number of Screws or Bolts Driven
7-5-1. Per-charge working capacity comparisons
Test data on the number of screws or bolts which can be driven per battery charge by the new models vs. the
previous models are shown in the table below. Please note that the data below are intended for general reference
only as the number of screws which can be tightened per charge will vary slightly depending on screw tightening
conditions, screw sizes, ambient temperatures and the charging capacity of the battery.
Number of screws or bolts driven (Cordless impact driver)
Battery
Tightening condition
Model
HITACHI
WH 14DMR
HITACHI
WH 14DM
P1
EB 14B
(Nominal capacity:
2.0 Ah)
EB 14B
(Nominal capacity:
2.0 Ah)
DW9091
(Nominal capacity:
1.7 Ah)
Wood screw
4.0 mm dia. x 50 mm
(soft wood)
640
Wood screw
4.2 mm dia. x 90 mm
(hard wood)
150
275
Wood screw
5.3 mm dia. x 120 mm
(hard wood)
55
95
Machine screw
(M8 x 16 mm)
1,270
2,300
P2
DW9096
(Nominal capacity:
2.4 Ah)
1200
275
90
2,375
640
150
55
1,270
680
140
40
1,350
HITACHI
WH 18DMR
(Nominal capacity:
2.6 Ah)
1165