OpenClose BOSCH - Rotary Hammer SDS Plus GBH 220 So compact, so powerful – Bosch’s rotary hammer now within reach Powerful 720 W motor and 2.0 J of impact energy for effective hammer drilling in concrete (up to 22-mm diameter) Three-mode rotary hammer for hammer drilling, drilling, and chiselling – ensuring versatility and convincing results Compact rotary hammer offers professional Bosch hammer performance within reach TECHNICAL SPECIFICATIONS OF GBH 220 Rated input power 720 W Impact energy 2 J Weight 2.3 kg Impact rate at rated speed 0 – 4,800 bpm Tool dimensions (width) 88 mm Tool dimensions (length) 334 mm Tool dimensions (height) 205 mm Tool holder SDS plus Drilling Range : Drilling dia. concrete, hammer drill bits 4 – 22 mm Max. drilling diameter in metal 13 mm Max. drilling diameter in wood 30 mm Max. drilling diameter concrete 22 mm Total Vibration Values (Hammer Drilling in concrete) Vibration emission value ah 14.7 m/s² Uncertainty K 1.5 m/s² Total Vibration Values (Chiselling) Vibration emission value ah 11.9 m/s² Uncertainty K 1.5 m/s² Hammer Drilling in concrete : Vibration emission value ah 14.7 m/s² Uncertainty K 1.5 m/s² Chiselling : Vibration emission value ah 11.9 m/s² Uncertainty K 1.5 m/s².