6mm Dry Diamond Drill Bits For Porcelain Granite Tile Glass Ceramics Marble 5PCS

5PCS 6mm For Porcelain Granite Tile Glass Ceramics Marble Dry Diamond Drill Bits. - The dry diamond drill bit uses vacuum brazed technology which allows the dry bit to be used at a higher temperature to cut through hard porcelain tile, ceramics, marble and slate with ease.

eBay