Robust brushless motor for durability Intelligent brushless motor for efficiency, endurance, and compactness Robust metal chuck and compact ergonomic design ideal for heavy-duty jobs Professional 18V System works with Bosch batteries and chargers of the same voltage TECHNICAL DATA Additional data Battery voltage 18.0 V Torque (soft/hard/max.) 28/50/50 Nm No-load speed (1st gear / 2nd gear) 0 – 460 / 0 – 1,800 rpm Weight excl. battery 1 kg Battery type Lithium-ion Chuck capacity, min./max. 1.5 / 13 mm Torque settings 20+1 Drilling diameter Max. drilling diameter in wood 35 mm Max. drilling diameter in aluminium 13 mm Max. drilling diameter in steel 13 mm Screw diameter Max. screw diameter 10 mm Total vibration values (Drilling in metal) Vibration emission value ah 1.5 m/s² Uncertainty K 1.4 m/s² Total vibration values (Impact drilling in masonry) Vibration emission value ah 11.2 m/s² Uncertainty K 1.5 m/s² Noise/vibration information Sound pressure level 88 dB(A) Sound power level 99 dB(A) Uncertainty K 5 dB Drilling in metal Vibration emission value ah 1.5 m/s² Uncertainty K 1.4 m/s² Impact drilling in masonry Vibration emission value ah 11.2 m/s² Uncertainty K 1.5 m/s²