Bosch GBH 18 V-EC Brushless SDS+ Rotary Hammer Body Only 0611904000 Long runtime (115 holes, 6 x 40 mm in concrete) with one battery charge (3.0 Ah) thanks to efficient BRUSHLESS Bosch EC motor Low weight (only 2.6 kg) and compact design for more comfortable work Highest chiselling removal rate (12 kg/hour) in its class. FEATURES Brushless Bosch EC motor Unsurpassed combination of power and weight Low weight (only 2.6 kg) and compact design for more comfortable work Highest chiselling removal rate (12 kg/hour) in its class Compatible with Bosch innovative CoolPack batteries to ensure optimum heat dissipation and therefore increase lifetime by up to 100% Bosch ElectronicF Cell Protection (ECP): protects the battery against overload, overheating and deep discharge Extremely robust: Electronic Motor Protection shuts down the motor in the event of overload; fully functional even after a 2 metre drop test on concrete No memory effect: the battery can be charged regardless of the charging state at any time, without damaging the cells SPECIFICATION Max. impact energy: 1,7 J Impact rate at rated speed: 0 - 4550 bpm Rated speed: 0 - 1400 rpm Voltage 18v Length: 285mm Height: 218mm Toolholder: SDS-plus Drilling diameter in concrete with hammer drill bits: 4 - 18 mm Optimum range of applications in concrete with hammer drill bits: 4 - 10 mm Max. drilling diameter in steel: 13mm Max. drilling diameter in wood: 20mm Weight incl. battery: 2.6 kg