Bosch SDS-Max Thru-Hole Rotary Hammer Bit 24-in Carbide Masonry Drill Bit for SDS-Max Drill

One-piece, thru-hole bits are designed for fast work without the need to change shanks. The all-in-one core with SDS-max® shank transmits power directly to the end of the bit. Thru-hole bits are more economical because of long life.