CSOOM Diamond Hole Saw kit - 13 Piece, Brazed Hollow Tile Core Drill Bit Set for Ceramic, Granite, Marble, Glass, Tile, etc. - B0CJNCC258

• 【Package Content】: This professional diamond drill bit set includes 13 high-quality bits with various sizes: 6 mm (1/4")* 2, 8 mm (5/16"), 10 mm (3/8"), 12 mm (1/2"), 20 mm (3/4"), 25 mm (1"), 30 mm (1-3/16"), 35 mm (1-3/8"), 40 mm (1-9/16"), 42 mm (1-5/8"), 45 mm (1-3/4"), and 50 mm (2"). The set also comes with a convenient storage case. 【Specific Multi-Toothed】: Crafted from premium steel, these diamond drill bits are exceptionally strong and durable, allowing you to effortlessly drill through tough materials. In addition , we have adapted the normal tooth design into multi-toothed , which is one of our unique selling points that could significantly improve its' working performance , as it is able to enhance cutting precision and stability, while ensuring quick dust discharge for improved efficiency. 【Versatile Usage】: Perfect for a wide range of applications, these diamond brazing hole openers are suitable for use on tough materials such as marble, ceramics, ceramic tiles, granite, glass, and more. Please note that they are not suitable for wood. 【Dry and Wet Use】: Our small-sized diamond drill bits are equipped with dry wax inside the tool, which melts, cools, and lubricates the product during use, reducing obstacles and ensuring smooth drilling. For extended lifespan, water can be added to cool the temperature and enhance durability. 【Professional After-Sales Support】: Our dedicated team of professionals is always ready to assist you with any issues or concerns. We are confident in the high-quality of our product and offer satisfactory customer service. If you encounter any problems, please don't hesitate to reach out to us.