| Bosch GBH 12-52 D Professional. Chuck type: SDS Max, Product colour: Black, Blue. Drilling diameter in concrete (max): 15 cm, Rated speed (max): 220 RPM, Impact energy (max): 19 J. Power source: AC, Input power: 1700 W. Weight: 11.5 kg, Width: 120 mm, Depth: 600 mm. Uncertainty coefficient (concrete): 20 m/s² |