Bosch A-Taper Core Centering Tip Drill Bit is designed to exceed the capabilities of standard drill bits, enabling smaller hammers to efficiently drill larger holes. This SDS-Max rotary hammer core bit features a carbide-tipped design with an integral shank that ensures superior power transmission for enhanced performance. It is capable of drilling cores up to 4 inches deep, making it i for demanding construction and renovation tasks where precision and durability are essential. Model Number: HC89