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6-3. Number of Bolts Driven
Per-charge working capacity comparisons
Test data on the number of 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 bolts which can be tightened per charge will vary slightly depending on bolts tightening conditions,
bolt sizes, ambient temperatures and the charging capacity of the battery.
Ordinary bolt (Cordless impact wrench)
Battery
M10 (3/8")
ordinary bolt
Tightening condition
EB 14B
M12 (15/32")
ordinary bolt
M14 (9/16")
ordinary bolt
Number of bolts
Time (sec.)
HITACHI
WR 14DH
Number of bolts
Time (sec.)
Number of bolts
Time (sec.)
Model
HITACHI
WH 12D
HITACHI
WR 12DH
EB 12B
EB 12B
1160
0.3
700
0.5
500
0.7
780
0.4
530
0.6
350
0.9
750
0.5
470
0.8
310
1.2