Bosch SDS Max-9 Speed Clean SDS Plus Shank Hammer Drill Bit 20 x 620mm

Available as a 4-cutter for bigger diameters and as a 2-cutter for smaller diameters. Features an Activeteq centring tip. Visibility of wear mark indicates if diameter of hole is still in tolerance for metal anchor setting, achieving accurate results. Compatible with rotary hammers with SDS max shanks and works in combination with industrial M-class vacuum cleaners. Built-in vacuum attachment pulls dust through extraction holes in the drill bit allowing optimum material removal without additional steps resulting in a clean dust-free working environment. Intended for use on masonry, concrete and reinforced concrete.