Bosch PRO M4 SDS Max Masonry Drill Bit 30mm 520mm Pack of 1
The drill bits have a hardy 4-cutter design that prevents them from jamming or breaking when you hit rebar. Lasts up to 1.5x longer than a Bosch SDS max-2 Drill Bit. • Lasts up to 1.5x longer than a Bosch SDS max-2 Drill Bit.