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6. SPECIFICATIONS
6-1. Specifications
Model
Cordless impact driver WH 14DM
Capacity
Item
Small screw M4 --- M10 (5/32" --- 3/8")
Ordinary bolt M6 --- M14 (1/4" --- 9/16")
High-strength bolt M6 --- M12 (1/4" --- 15/32")
Tightening torque
135 N
•
m (1,375 kgf
•
cm, 1,190 in-lbs.)*
1
Tip condition
6.35 mm (1/4") bit holder
Type of motor
Fan cooled DC magnet motor
Enclosure
Main body: Polyamide resin + elastomer
• • • • • •
Housing
Aluminum alloy die casting
• • • • • • • • •
Hammer case
Elastomer
• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
Protector
Storage battery: Polyamide resin (black)
Charger: ABS resin (black)
Type of switch
Trigger switch with forward/reverse changeover pushing button (with brake and variable)
Handle configuration
T-type
No-load rotational speed
0 --- 2,600 /min.
Impact rate
0 --- 3,200 /min.
Main body
1.9 kg (4.1 lbs.) (Includes battery)
*
2
Battery
0.86 kg (1.9 lbs.)
Overall length x height
179 mm (7-3/64") x 236 mm (9-19/64")
Center height
27 mm (1-1/16")
Battery
(Type EB 14B)
Sealed cylindrical nickel-cadmium batteries
Nominal voltage: DC 14.4 V
Nominal life: Charging/discharging approximately 1,000 cycles
(in the case of Model UC 14YF2)
Nominal capacity: 2.0 Ah
Battery
(Type EB 1430H)
Sealed cylindrical nickel-metal hydride batteries
Nominal voltage: DC 14.4V
Nominal life: Charging/discharging approximately 500 cycles
(in the case of Model UC 14YF2)
Nominal capacity: 3.0 Ah
*
1
: This torque is based on tightening an M12 (15/32") bolt (strength grade: 12.9) for 3 seconds with a hexagonal socket.
*
2
: Main body does not include accessory tools (hexagonal bit, etc.).
Charger (UC 14YF2)
Sealed 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 (
2
V system)
(2) Battery surface temperature detection
(thermostat or thermistor)
(3) 120-minute timer
Output voltage: 7.2 V --- 14.4 V
Output current: 1.9 A
Charging time: Approx. 60 minutes (for B-type storage battery at 20 ˚C (68 ˚F))
Approx. 90 minutes (for H-type storage battery at 20 ˚C (68 ˚F))
Product weight: 1.3 kg (2.8 lbs.)
Operable ambient temperature range: 0 ˚C --- 40 ˚C (32˚F --- 104˚F)
The maximum allowable temperature of the EB 14B type battery is 60 ˚C (140˚F) and
the EB 1430HL type battery is 45 ˚C (113˚F).
Weight
