--- 20 ---
7. COMPARISONS WITH SIMILAR PRODUCTS
7-1. Specification Comparisons (Cordless Impact Driver)
M 4 --- M 8
(5/32" --- 5/16")
HITACHI
WH 12DM2
Maker
Model
Item
Catalog specifications
Capacity
Small screw
M 5 --- M 12
(3/16" --- 15/32")
Ordinary bolt
M 5 --- M 10
(3/16" --- 3/8")
High-strength bolt
120
(1220 kgf• cm, 1060 in-lbs.)
Max. tightening torque*
2
N
•
m
0 --- 2,600
No-load rotation speed
/min
0 --- 3,200
Impact rate
/min
1.6 (3.5 lbs.)
Main body weight
kg
122
(1140 kgf• cm, 990 in-lbs.)
Max. tightening torque
N
•
m
Measured figures
0 --- 2,600
No-load rotation speed
/min
0 --- 2,920
Impact rate
/min
155 x 226
(6-7/64" x 8.9")
Overall length x height
mm
26.5 (1-3/64")
Center height
mm
1.67 (3.7 lbs.)
Main body weight
kg
70
No-load sound pressure level
dB(A)
Driver chuck
Tool tip mounting system
Variable speed
switch with
forward/reverse
changeover lever
Type of switch
DC magnet
Type of motor
12
Voltage
31
Current
EB 1220BL or EB 1230HL
Battery
V
A
Type
EB 1220BL: 2.0
EB 1230HL: 3.0
Nominal capacity
Ah
12
Nominal voltage
V
0 --- 40
Ambient temperature
˚C
UC 14YF2 or UC 14YFA
Model
44
Power input capacity
VA
7.2 --- 14.4
Recharging voltage
V
•
Plastic tool case
•
Charger
(UC 14YF2 or UC 14YFA)
Standard accessories
Charger
*
1
*
3
*
4
*
3
M 4 --- M 8
(5/32" --- 5/16")
WH 12DM
M 5 --- M 12
(3/16" --- 15/32")
M 5 --- M 10
(3/16" --- 3/8")
100
(1020 kgf• cm, 885 in-lbs.)
0 --- 2,300
0 --- 3,000
1.6 (3.5 lbs.)
112
(1070 kgf• cm, 930 in-lbs.)
0 --- 2,390
0 --- 2,850
167 x 226
(6-37/64" x 9-21/32")
26 (1-1/64")
1.66 (3.7 lbs.)
70
Driver chuck
Variable speed
switch with
forward/reverse
changeover lever
DC magnet
12
28
EB 1220BL or EB 1230HL
EB 1220BL: 2.0
EB 1230HL: 3.0
12
0 --- 40
UC 14YF2
44
7.2 --- 14.4
• Plastic tool case
• Charger
(UC 14YF2)
*
1
P
M 5 --- M 12
(3/16" --- 15/32")
M 5 --- M 10
(3/16" --- 3/8")
115
(1170 kgf• cm, 1020 in-lbs.)
0 --- 2,400
0 --- 3,000
1.75 (3.9 lbs.)
115
(1170 kgf• cm, 1020 in-lbs.)
0 --- 2,410
0 --- 2,810
165 x 233
(6-1/2" x 9-11/64")
29 (1-9/64")
1.75 (3.9 lbs.)
76
Driver chuck
Variable speed
switch with
forward/reverse
changeover lever
DC magnet
12
29
DW9071
12
DW9107
7.2 --- 14.4
• Plastic tool case
• Charger
M 4 --- M 8
(5/32" --- 5/16")
C
M 5 --- M 12
(3/16" --- 15/32")
M 5 --- M 10
(3/16" --- 3/8")
100
(1020 kgf• cm, 885 in-lbs.)
0 --- 2,300
0 --- 3,000
1.5 (3.3 lbs.)
109
(1110 kgf• cm, 965 in-lbs.)
0 --- 2,750
0 --- 2,660
168 x 231
(6-39/64" x 9-3/32")
26 (1-1/64")
1.58 (3.5 lbs.)
71
Driver chuck
Variable speed
switch with
forward/reverse
changeover lever
DC magnet
12
26
1222
2.0
12
DC1411
7.2 --- 14.4
• Plastic tool case
• Charger
2.0
*
1
: In the case of tapping screws and wood screws, a minimum of M3 (1/8") is possible.
*
2
: WH 12DM2: Max. tightening torque is based on tightening an M14 (9/16") bolt (strength grade: 12.9) for 3 seconds with a
hexagon socket.
WH 12DM, C: Max. tightening torque is based on tightening an M12 (5/32") bolt (strength grade: 12.9) for 3 seconds with
a hexagon socket.
*
3
: Main body weight does not include accessory tools (hexagon bit, etc.).
*
4
: Max. tightening torque is based on tightening an M12 (5/32") bolt (strength grade: 12.9) for 3 seconds with a hexagon
socket.
