BIHUI 40-60 mm Dry Diamond Core Drill Bit M14

BIHUI Turbo cutter diamond drill bits are professional Premium diamond cutters made with vacuum-liquid sintering technology, which guarantees high drilling speed and a long service life even without the use of water cooling. The Bihui Turbo diamond drill bit allows you to perform two operations 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