With its fast drilling rate thanks to its 1150W motor, this Bosch 0 611 264 060 hammer drill will produce up to 340rpm   Features:   Fast drilling rate due to 1150 W motor and powerful impact mechanism  Vibration Control ensures more comfortable work, even in time-intensive applications  Patented setting wheel for variable adjustment of the speed and impact rate for optimum performance  Patented, lockable switch for low-fatigue chiselling work  Constant Electronic, service display and standby display for maximum convenience  Ball grommet for high movement radius and for preventing cable breaks   Comes with:   Carrying case  Auxiliary handle  Cleaning cloth  Grease tube   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 Toolholder: 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 Vibration level (drilling): 10.5 m/s_ Vibration level (chiselling): 7.5 m/s_ Vibration level (drilling/chiselling): 10.5/7.5 m/s_