BIHUI Diamond Drill Bit for Dry Drilling M14

BIHUI Turbo cutter diamond drill bits are professional premium diamond cutters manufactured with vacuum-liquid sintering technology, ensuring high drilling speed and long service life even without water cooling. The Bihui Turbo diamond drill bit allows two operations to be performed at once, drilling and milling the material in a single pass with a single crown. Ideal for making holes for taps, siphons, etc. Designed for functio