The SDS plus-9 Speed Clean Drill Bit, available in 4-cutter for larger diameters and 2-cutter for smaller ones, has a precise centring tip. Made in Germany, it's compatible with rotary hammers using SDS plus shanks and industrial M-class vacuum cleaners, enabling dustless drilling. Its built-in vacuum attachment removes dust through extraction holes, ensuring a clean work environment. Suitable for masonry, concrete, and reinforced concrete.