Bosch Hc5017 2-Cutter Hammer Drill Bit 9/16" X 29"L, Sds Max
Shank Shape: SDS Max. Shank Type - Machining: SDS Max. Number of Cutter Heads: 2. Shank Size: 45/64". Drill Bit Size: 9/16 in. Bit Dia.: 9/16". Overall Length: 29 in. Drilling Length: 24 in.