OpenClose Cordless Combi GSB 18V-50 PROFESSIONAL Robust brushless motor for durability and flexibility Robust brushless motor for durability and flexibility 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 : Battery voltage 18 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 1.1 kg Battery type Lithium-ion Max. impact rate 27,000 bpm Chuck capacity, min./max. 1.5 / 13 mm Torque settings 20+2 DRILLING DIAMETER : Max. drilling diameter in aluminium 13 mm Max. drilling diameter in wood 35 mm Max. drilling diameter in steel 13 mm Max. drilling diameter in masonry 13 mm SCREW DIAMETER : Max. screw diameter 10 mm TOTAL VIBRATION VALUES (DRILLING IN METAL) Vibration emission value ah 2.1 m/s² Uncertainty K 1.5 m/s².