Bosch 1/4" x 10"ch x 12" SDS-Plus Carbide Rotary Hammer Drill Bit is engineered to deliver exceptional durability and performance in concrete with rebar. Featuring a full-carbide tip design combined with proprietary diffusion-bonding technology, this rotary hammer bit four times the lifespan d to standard SDS-plus bits. The advanced diffusion bonding process uses high-heat, high-pressure solid-state welding to create an incredibly strong bond that withstands tough conditions. With an upgraded variable flute design that transitions from four flutes to two, it ensures fast dust removal and allows for 25% more holes per battery charge. The centric conical tip produces rounder holes for precise anchoring, while a wear mark helps maintain accuracy during use. This bit is i for professionals seeking reliable and efficient drilling performance. Model Number: