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6. SPECIFICATIONS
6-1. Specifications
Model
Item
Capacity
Tightening torque
Tip condition
Type of motor
Enclosure
Type of switch
Handle configuration
No-load rotational speed
Impact rate
Main body
Weight
Battery
Overall length x height
Center height
Battery
(Type EB 1220BL)
Battery
(Type EB 1230HL)
Charger (UC 14YF2)
1
*
: In the case of tapping screws and wood screws, a minimum of M3 (1/8") is possible.
*
2
: This torque is based on tightening an M12 (15/32") bolt (strength grade: 12.9) for 3 seconds with a hexagonal socket.
3
*
: This torque is based on tightening an M16 (5/8") bolt (F10T) for 3 seconds with a hexagonal socket.
*
4
: Main body does not include accessory tools (hexagonal bit, etc.).
Cordless Impact Driver
WH 12DM
Small screw M4 --- M8 (5/32" --- 5/16")*
Ordinary bolt M5 --- M12 (3/16" --- 15/32")
100 N
m (1020 kgf
cm, 885 in-lbs.)*
•
•
6.35 mm (1/4") Bit holder
Fan cooled rare-earth magnet motor
Main body: Polyamide resin + elastomer
Aluminum alloy die casting
Storage battery: ABS resin (black)
Charger: ABS resin (black)
Trigger switch with forward/reverse changeover pushing button (with brake)
T-type
0 --- 2,300 /min
0 --- 3,000 /min
1.6 kg (3.5 lbs.) (Includes battery)
0.68 kg (1.5 lbs.)
167 mm (6-37/64") x 226 mm (8.9")
26 mm (1-1/64")
Sealed cylindrical nickel-cadmium batteries
Nominal voltage: DC 12V
Nominal life: Charging/discharging approximately 1,000 cycles
(in case of Model UC 14YF2)
Nominal capacity: 2.0 Ah
Sealed cylindrical nickel-metal hydride batteries
Nominal voltage: DC 12V
Nominal life: Charging/discharging approximately 500 cycles
(in case of Model UC 14YF2)
Nominal capacity: 3.0 Ah
Charger power source: single-phase AC, 50/60 Hz
Voltage: Depending on the order specification
Power input: 44 W
Charging system: Constant current charge with full wave phase control
Overcharge protection system: (1) Battery voltage detection (
Output voltage: 7.2 V --- 14.4 V
Output current: 1.9 A
Charging time: Approx. 60 minutes (for BL-type storage battery at 20 ˚C)
Approx. 90 minutes (for HL-type storage battery at 20 ˚C)
Product weight: 1.3 kg
Operable ambient temperature range: 0 ˚C --- 40 ˚C
The maximum allowable temperature of the EB 1220BL type battery is 60 ˚C and the
EB 1230HL type battery is 45 ˚C.
1
Ordinary bolt M6 --- M16 (1/4" --- 5/8")
High-strength bolt M6 --- M12 (1/4" --- 15/32")
2
150 N
12.7 mm (1/2") Square drive
Housing
• • • • • •
Hammer case
• • • • • •
*
4
173 mm (6-13/16") x 226 mm (8.9")
(2) Battery surface temperature detection
(thermostat or thermistor)
(3) 120-minute timer
--- 14 ---
Cordless Impact Wrench
WR 12DM
m (1530 kgf
cm, 1330 in-lbs.)*
•
•
2
V system)
3
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