6/8/10/12mm Vaccum Brazed Diamond Dry Drill Bits Hole Saw Cutter for Granite Marble Ceramic Tile Glass

Features: 1.Wax inside for cooling Dry drilling without water. 2.Very high efficiency multi-purpose drilling. 3.Long life drilling. Durable and strong 4.No need to add water efficient drilling special drilling of hard materials universal adapter self-cooling chip flutes 5.Can be used for ceramic tiles ceramics glass marble granite quartz stone agate jade crystal stone microcrystalline stone etc. Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Description: Product name: ceramic tile drill bit Material: steel