Use the 1-1/2 in. Carbide Tipped SDS Max Masonry Drill Bit with any SDS Max rotary hammer to quickly and effectively drill 1.5 in. diameter holes up to 20 in. deep. Comprised of hardened tungsten carbide cutting teeth and high speed forged steel body, this bit is designed for long-lasting performance. Compatible with all SDS Max Rotary Hammers. PLEASE NOTE THE SHANK SIZE IS SDS MAX. YOU MUST HAVE AN SDS MAX ROTARY HAMMER TO USE THIS BIT