Bosch 3/4 In. x 21 In. SDS-Max® SpeedX™ Rotary Hammer Bit is designed for durability and high performance. This bit features a solid carbide head with a robust S-cutter design that delivers unrivaled power, increased speed, and extended life. Its carbide tips stay sharper longer, allowing you to drill more holes within specification d to competitive bits. Manufactured to ANSI specification B212.14, this rotary hammer bit fits Bosch SDS-max® hammers as well as competitive SDS-max® drive hammers and Hilti® hammers using TE-Y and TE-FY shanks. Whether you need precision or longevity, this bit a reliable solution for demanding drilling tasks. Model Number: