Bosch GBH 5-40 DCE 5kg SDS Max Combi-Hammer with AVH The fast all-rounder with Vibration Control FEATURES Fast drilling rate due to 1150 W motor and powerful impact mechanism \"Turbo-Power\" mode, energy used for rotation during drilling is turned into additional impact power in chiseling mode  Vibration Control ensures more comfortable working, even in time-intensive applications Automatic switch lock for the best convenience in continuous chiselling applications Setting wheel for variable adjustment of the speed and impact rate for optimum performance Constant Electronic, service display and standby display for maximum convenience Ball grommet for high movement radius and for preventing cable breaks SPECIFICATION Rated power input: 1,150 W Max. impact energy: 8.8 J Impact rate at rated speed: 1,500 – 3,050 bpm Rated speed: 170 – 340 rpm Weight: 6.8 kg Length: 485 mm Height: 260 mm Bit holder: SDS-max Drilling diameter in concrete with hammer drill bits: 12 – 40 mm Optimum range of applications in concrete with hammer drill bits: 18 – 32 mm Drilling diameter in concrete with breakthrough drill bits: 45 – 55 mm Drilling diameter in concrete with core cutters: 40 – 90 mm NOISE & VIBRATION Chiselling: Vibration emission value ah: 7.5 m/s² Uncertainty K: 1.5 m/s² Hammer drilling in concrete: Vibration emission value ah: 10.5 m/s² Uncertainty K: 1.5 m/s²