Porcelain Tile Drill Bits Set, 6PCS Professional Dry Diamond Core Drill Bit for Glass Granite Ceramic Marble Stone not for Wood, 6/6/6/8/10/12 mm

• DRY DRILLING: Cooling wax is built in front and back of the drill, no need for water cooling, avoiding the trouble of overheating the drill.
• HIGH QUALITY: Our multi-purpose diamond grit drill bit kits prevent bit breakage and extend the life of the bits they are strong and durable.
• MULTIPLE SIZE OPTIONS: The set includes three conventional 6 mm diamond bits and one each of the three 8/10/12 mm dry diamond bits for greater adaptability to the user's needs.
• SUITABLE FOR ALL KINDS OF MATERIALS: Diamond drill bits are designed for places where ordinary glass drill bits cannot reach. Our ceramic drill bits can be used for granite, ceramic and marble stone.
• VACUUM BRAZED DIAMOND TECHNOLOGY: stronger, more wear-resistant, more efficient, faster cutting, more durable and stronger than electroplated diamond bits.

porcelain tile drill bits set, 6pcs professional dry diamond core drill bit for glass granite ceramic marble stone not for wood, 6/6/6/8/10/12 mm Merkmale 1.The Porcelain Tile Drill Bits Set has a built in cooling wax on the front and back eliminating the need for water cooling and preventing the drill from overheating 2.The Dry Diamond Drill Bits Set is a high quality diamond grit drill bit that prevents bit breakage and is strong and durable 3.The Porcelain Tile Drill Bits Set features vacuum brazed diamond technology heads that are stronger, more wear-resistant and more efficient Specification Product size: 6/6/6/8/10/12 mm Packaging size: 15cm×5cm×1.5cm Packaging weight:102g Colour: black Material: Diamond Included in the package 3× 6mm 1×8/10/12 mm