SDS-max rotary hammer for drilling and medium chiselling in concrete and stone. The Bosch GBH 8-45 D draws 1,500 W and delivers 12.5 J of impact energy at 1,475 to 2,700 bpm, drilling 12 to 45 mm with hammer bits (optimum range 20 to 40 mm) 80 mm with breakthrough bits or up to 125 mm with core cutters. Weighs 8.2 kg. Constant Speed, Restart Protection, Rotation Control Clutch and Speed Selection are fitted.