Hitachi WH12DM2, WH9DM2 instruction manual Cordless Impact Wrench, WR9DM2 WR12DM2

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2. Cordless Impact Wrench

Model	WR9DM2	WR12DM2
	(9.6 V)	(12 V)
Motor	DC motor
No-load speed	0 – 2600/min
Drive	3/8" (9.5 mm) square	1/2" (12.7 mm) square
Capacity	1/4" – 9/16" (M6 – M14)	1/4" – 5/8" (M6 – M16)
	(Ordinary bolt)	(Ordinary bolt)
	1/4" – 3/8" (M6 – M10)	1/4" – 15/32" (M6 – M12)
	(High tension bolt)	(High tension bolt)
Tightening torque	Maximum 1060 in-lbs.	Maximum 1460 in-lbs.
	{120 N·m, 1220 kgf·m}	{165 N·m, 1685 kgf·m}
	Tightening is 15/32" (M12)	Tightening is 5/8" (M16) F10T,
	high tension bolt, when fully	when fully charged at 68°F
	charged in 68°F (20°C) temp.	(20°C) temp.
	Tightening time: 3 sec.	Tightening time: 3 sec.
Rechargeable	EB9B (2.0 Ah)	EB1220BL (2.0 Ah)
battery	Ni-Cd battery, 9.6 V	Ni-Cd battery, 12 V
	Charging and discharging	Charging and discharging
	frequency: about 1000	frequency: about 1000
Weight	3.0 lbs. (1.4 kg)	3.5 lbs. (1.6 kg)

3. Battery Charger

Model		UC14YF2		UC14YFA
Input power source		Single phase: AC 120 V 60 Hz
Charging time		Approx. 60 min.		Approx. 50 min.
Charger	Charging voltage		DC 7.2–14.4 V
	Charging current	DC 1.9 A		DC 2.6 A
Weight		2.9 lbs. (1.3 kg)		1.3 lbs. (0.6 kg)

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