72890 – Developed specifically for the new generation of powerful rotary hammer drills Hole drilling in concrete, brick, masonry, natural stone High drilling speed, even in reinforced concrete Centering drill bit with solid embedding of the carbide tip Improved drilling of deep hole due to fast, upward removal of dust by centrifugal force High fracture resistance Reduced vibration behavior Drill bit head: premium 3-cutter centering drill bit Carbide teeth with special rebar chamfers Optimized start-up Shank: 3 high-volume drilling dust channels with increased slope Solid core reinforcement Insertion end: SDS MAX