The X-design hammer drill head enables excellent work progress thanks to high drilling performance and optimised drill dust removal. Improved drill hole quality is achieved through reduced vibrations. The 4-cutter head is equipped with high-quality carbide inserts that enable up to 30% longer drilling life, with fully embedded inserts on both sides. It features a vacuum brazing/hardening process and an EN heavy duty shank for maximum durability. Diameter: 42 mm. Overall length: 570 mm. Working length: 450 mm. Insertion end: SDS-max. Drill head: multi-bladed. Test mark masonry drill e.V.: Yes.