Diamond Core Drill Bit1 fast drilling speed,2 high efficiency and less chipping,3 minimum material deformation4 long life

Diamond Core Drill Bit
1 fast drilling speed,2 high efficiency and less chipping,3 minimum material deformation
4 long life 

We specialize in the production of diamond drill

Sharp,wear-resisting

Don't jumping edge

Long service life

require lower WOB,high rotary speed and small flow rate, good concentricity

Wildly used in cutting granite