The X-design hammer drill head enables excellent work progress thanks to its 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 tungsten carbide inserts, which enable up to 30% longer drilling life with fully embedded inserts on both sides. The vacuum brazing and hardening process increases durability. The robust shank ensures maximum longevity. Diameter: 12 mm. Overall length: 540 mm. Working height: 400 mm. Insertion end: SDS-max. Drill head: double-edged.