5-Pack 6mm Tile Drill Bits, Ceramic Drill Bit Set, Tungsten Masonry Set 6mm Tile Drill Bits, Diamond Drill Bits for Drilling Granite, Ceramic, Porcelain, Marble, Stone, Glass and Other Hard Materials

【Precision Diamond Tip Drill Bits】These heavy-duty tile drill bits are made of stainless steel, ceramic drill bit set, and are coated with diamond particles to form a stronger, more effective drill head, and can be used with a variety of delicate materials. 【High Quality】Our versatile diamond drill bit set prevents drill bit breakage and prolongs service life. They are strong and durable, and can more easily penetrate the hard glaze of ceramics. 【Unique Drilling Design】The round design of the diamond drill bit is widely used for drilling holes, and there is a dense cooling wax inside to cool and lubricate the drill bit to reduce the use temperature, waterless dry drilling, and less pollution. 【Clean and Accurate Results】Unlike standard drill bit sets that may break or damage delicate materials such as porcelain or glass, these diamond drill bits will not leave any broken edges on the front or back of the surface, thereby improving the integrity of the material. 【Scope of Application】Round shank diamond drill bits are suitable for tile drilling in hard materials: ceramics, tiles, glass, marble, granite, etc.