Introducing the ColumPRO Porcelain Tile Drill Bits Set, a must-have tool for drilling needs! Made from high-quality materials, it's perfect for drilling granite, ceramic, marble, and more. The dry-drilling drill bits are specially designed, providing convenience in use.Thanks to the built-in cooling wax in the front and back of the drill bits, they can effectively dissipate heat and prevent them from getting too hot. This feature not only ensures a longer lifespan for the drill bits but also guarantees a smooth and precise drilling experience.Crafted from premium diamond sand, our drill bit set offers exceptional durability and strength. The diamond sand coating prevents the bits from breaking and provides a superior drilling performance. Whether you're working on a small DIY project or a professional task, these drill bits will exceed your expectations.This set includes four different sizes of diamond drill bits - 6mm, 8mm, 10mm, and 12mm. With these multiple size options, you can easily choose the right bit for any drilling job. Additionally, the set also comes with two 6mm hex shank drill bits, providing further versatility and compatibility with a wide range of power tools.Not only are these drill bits ideal for drilling into various materials, but they are also suitable for places where ordinary glass drill bits would fail. If you're looking for a reliable and efficient tool for drilling into porcelain, granite, ceramic, marble stone, and more, look no further than the ColumPRO Porcelain Tile Drill Bits Set.At ColumPRO, we are dedicated to delivering impressive quality and performance. Our mission is to provide customers with the best porcelain drills, ensuring their satisfaction with every use. Whether you're a professional tradesman or a DIY enthusiast, our drill bit set is a must-have for all your drilling needs.Upgrade your drilling experience today with the ColumPRO Porcelain Tile Drill Bits Set and witness the difference in quality and performance.