DESCRIPTION: The fastest multi-hammer in the 4kg class. Wide range of applications in chiselling and drilling work and when working with a core cutter. Drills up to 30% faster (25 mm diameter) than other tools in its class. Low vibration levels of only 12 m/s? for less tiring work due to Bosch Vibration Control. PERFORMANCE DATA: Impact rate at rated speed: 0 ? 3,600 bpm. ADDITIONAL DATA: Rated input power: 900 W. Impact energy (according to EPTA 05/2016): 4.2 J. Weight: 4.7 kg. Tool holder: SDS plus. Rated speed: 0 ? 800 rpm. DRILLING RANGE: Drilling dia. concrete, hammer drill bits: 6 ? 32 mm. Opt. appl. range concrete, hammer drill bits: 14 ? 25 mm. Max. drilling diameter masonry, core cutters: 90 mm. Max. drilling diameter in metal: 13 mm. Max. drilling diameter in wood: 32 mm. TOTAL VIBRATION VALUES (Hammer drilling in concrete): Vibration emission value ah: 12.7 m/s?. Uncertainty K: 1.5 m/s?.