Bosch HC4050 1 In. x 13 In. Spline SpeedX™ Rotary Hammer Bit showcases Bosch's commitment to innovation in concrete and masonry drilling. This rotary hammer bit is crafted using Bosch's custom-manufactured carbide and advanced diffusion bonding technology, ensuring superior performance and long-lasting durability. The Speed-X technology delivers the fastest hammer carbide drilling speed available, outperforming other bits in precision anchoring and drilling tasks. Designed for professionals who demand reliability and efficiency, this bit combines exceptional life span with outstanding drilling speed to get the job done quickly and effectively. Model Number: HC4050