High-quality Fischer SDS Max IV 22/800/920 hammer drill bit for creating approval-compliant drill holes in concrete, masonry, and natural stone. SDS Max holder, 22 mm diameter, 800 mm drill helix, 920 mm total length. Four-edged drill head prevents snagging in the reinforcement. The center point enables simple and precise drilling. The core-reinforced drill helix ensures maximum energy transfer and guarantees low-vibration drilling behavior. The PGM®-compliant cutting element guarantees accurately fitting drill holes and fulfills the highest safety requirements.