Bosch GBH 12-52 DV Professional SDS max Rotary Hammer

The Bosch GBH 12-52 DV Professional SDS max Rotary Hammer is a corded machine for demanding drilling and chiselling work. Its 1,700 W motor draws power from an AC mains supply. The rotary hammer is intended for intensive work in concrete, masonry, wood, and steel. Maximum drilling diameters are 30 mm in wood, 13 mm in steel, 52 mm in concrete, and 80 mm in brickwork. These capacities suit construction and renovation tasks involving large holes in hard materials.

At 11.9 kg, the drill is heavy and intended for controlled two-handed operation. Its SDS max chuck accepts compatible heavy-duty bits and accessories. Adjustable speed allows the operating rate to be matched to the material and application. An auxiliary handle provides an additional gripping point during drilling and chiselling. A carrying case is included for storage and transport between work locations.

• 19 J maximum impact energy for heavy concrete and masonry work.
• 2,150 blows per minute impact rate.
• Up to 150 mm drilling diameter in concrete when used with core cutters.
• 30–50 mm stated optimum drilling range in concrete.
• 220 RPM maximum idle and rated speed.
• Overload clutch provides mechanical protection if the bit binds.
• 10 m/s² stated vibration level during hammer drilling.