Number Of Screws Or Bolts Driven - Hitachi WH 12DMR Technical Data And Service Manualice Manual

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 tables 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)
Tightening condition
Battery
Wood screw 4.0 mm dia. x 50 mm
(soft wood)
Wood screw 4.2 mm dia. x 90 mm
(hard wood)
Wood screw 5.3 mm dia. x 120 mm
(hard wood)
Machine screw
(M8 x 16 mm)
Model
HITACHI
WH 12DMR
EB 1220BL
(Nominal capacity: 2.0 Ah)
560
115
50
1,240
HITACHI
WH 12DM2
EB 1220BL
(Nominal capacity: 2.0 Ah) (Nominal capacity: 1.7 Ah)
525
115
45
1,165
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C
DW9071
550
110
40
1,225