General description The CorePlus DTDM4PC Diamond Tile Drill Bit Set includes four drill bits in sizes 5mm, 6mm, 8mm, and 10mm, stored in a convenient case. These drill bits are designed for professional, fast, and clean cutting on porcelain and ceramic tiles. They feature advanced vacuum brazing technology that ensures the diamonds remain bonded for a long lifespan, made with premium-grade, braze-bonded diamonds capable of cutting through the hardest materials with ease. Technical specifications Sizes: 5mm, 6mm, 8mm, and 10mm Diamond-coated for durability and cutting efficiency Fitted with Tri-Flat shank for secure grip on drills Compatibility and accessories Compatible with standard cordless and corded drills Requires minimal water cooling during operation Installation Insert the drill bit into the drill's chuck and tighten securely Usage Mark the drilling spot on the tile Start drilling at a low speed to ensure precision Apply gentle pressure and keep the drill cool with water