Diamond Drill Bit / Granite Drill Bit / Fast Drilling, Long life / Good Quality / Competitive Prices / Over 12 years experience
Crown segmented diamond drill bit are used for drilling holes on kinds of stone such granite, slate and other hard stones, etc.
Features:
1. Long lifespan and high efficiency.
2. Machinery: Suitable for electrical hand-held drillers or CNC machines.
3. Good performance and reasonable price.