5pcs 8mm / 0.31 in Diamond Drill Bits Extractor Remover Tools Hole Saws for Glass Porcelain and Ceramic Tile (8mm 5pcs)

【EXTREME HARD 】 These diamond drill bits are made of industrial grade carbon steel with nickel-plated coated body to resist corrosion. A thicken diamond coating on the tops offers superior cutting strength for maximum drilling outcomes. 【EXTRAORDINARY SHARP】 Each diamond hole saw has a smooth and exact finish that lower the incision resistance and drill pressure increases the sharpness and effectiveness of water lubrication. Excellent for making clean and precise holes on glass or ceramic and considerably extending drill bit life. 【LARGE CLEARANCE HOLE】 These glass hole saw set along the drill bit facilitate the entrance of cooling water and escape of chips and other particles from drilling. Makes the drilling process easier. 【WIDE USAGE】 5Pcs drill bits (8mm/0.31 ) included with this glass drill bit set to meet various demands. Perfect for drilling glass tile porcelain tile ceramic tile brick and stone. Package Include 5Pcs* Diamond Coated Drill Bit