The Bosch 1-1/2 In. x 21 In. SDS-max Speed-X Rotary Hammer Bit is engineered for optimal precision and efficiency in concrete drilling. This bit features an active-centering tip that ensures quick and accurate starts, complemented by inclined side cutters that deliver the highest drilling speed. With a compact head designed for effective dust removal, it extends the lifespan of the tool while offering wear mark indicators for precise hole diameter accuracy. Built with carbide-tipped material and designed for use with SDS-Max chucks, this exceptional drill bit is an essential tool for professionals looking for reliable performance in demanding applications.