DESCRIPTION: Powerful 720 W motor and 2.0 J of impact energy for effective hammer drilling in concrete (up to 22-mm diameter). Three-mode rotary hammer for hammer drilling, drilling, and chiselling ? ensuring versatility and convincing results. Compact rotary hammer offers professional Bosch hammer performance within reach. Impact rate at rated speed: 0 ? 4,800 bpm. Rated input power: 720 W. Impact energy (according to EPTA 05/2016): 2J. Weight: 2.3kg. Tool holder: SDS plus. DRILLING RANGE: Drilling dia. concrete, hammer drill bits: 4 ? 22 mm. Max. drilling diameter in metal: 13 mm. Max. drilling diameter in wood: 30 mm. Max. drilling diameter concrete: 22 mm. Vibration emission value ah: 14.7 m/s?. Uncertainty K: 1.5 m/s?. Vibration emission value ah: 11.9 m/s?. Uncertainty K: 1.5 m/s?. Vibration emission value ah: 14.7 m/s?. Uncertainty K: 1.5 m/s?. Vibration emission value ah: 11.9 m/s?. Uncertainty K: 1.5 m/s?.