Glass Drill Bit, Lytool Dry Diamond Drill Bits Set 5 PCs – 5, 6, 8, 10, 12 mm, for Granite, Ceramic, Marble Tile Stone, Glass Hard Materials

【Multiple Diameter】6 Pieces of Dry diamond drill bits kit for drilling holes diameter of 1/2 inch(12mm), 3/8inch (10mm), 5/16inch (8mm) and 3/16inch (5mm), and 6mm carbide drill bits.
【Unique Dry Drilling Design】Diamond drill bit contains cooling wax,Which can reduce the use temperature, dry drilling without water and less pollution. The diamond drill bits adopts a circular design that is widely used such as hand drill, bench drill.
【Multiple Uses】Suitable for all ceramic tile, marble, granite, microcrystalline stone, quartz stone, stoneware tile, ceramic, etc.Note: not for wood, ement, metal, tempered glass, plastic, etc.
【High Quality Materials】Diamond drill bit are made of high quality carbide and are coated with diamond. High temperature resistance, high hardness, sharpness and durability, suitable for wide range of delicate materials.
【Easy to Carry】This Diamond Drill Bits set comes with a portable storage case for convenient use and store.The compact size is easy to place in any location and does not take up storage space.