Rotary hammer with SDS max GBH 12-52 D. The GBH 12-52 D Professional is the most powerful corded Bosch SDS max rotary hammer. Its high-quality motor enables maximum performance for SDS max applications. This extremely powerful motor delivers an impact energy of 19 Joules, making it ideal for tough chiseling tasks. It is designed for durability and features extremely robust metal components. This power tool is suitable for drilling up to a diameter of 52 mm as well as for heavy chiseling work in concrete and stone. It is compatible with various system accessories for dust extraction. The GBH 12-52 D Professional has constant speed, a restart protection feature, overload clutch, and speed pre-selection. Accessories include: 1x additional handle, contractor's case, and grease tube. Machine cloth.