The Best for Universal can countersink is the ideal choice for dry drilling in soft and hard construction materials. With an optimized segment composition, this cutter enables dry drilling into the toughest materials. The laser-welded segments offer a solid connection to the hardened steel body. This prevents accidental breakage and achieves an excellent service life â even when working with extreme materials. It is perfect for drilling without impact system in concrete and reinforced concrete with armouring with diameters of up to 10 mm as well as in limestone, brick, clinker and masonry. Suitable with drills with at least 1,000 W and SDS plus hammer drills (not in hammer drill mode) with drill speeds starting from 1,300 rpm.This text is machine translated.