Bosch Rotary Hammer 4-22mm 2j SDS Plus 720W 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 Details: Impact rate at rated speed: 0 – 4,800 bpm Rated input power: 720 W Impact energy (according to EPTA 05/2016): 2 J Weight: 2.3 kg 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 (Chiseling in concrete) 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 Chiseling in concrete Vibration emission value ah: 11.9 m/s² Uncertainty K: 1.5 m/s²