15 Pieces Diamond Drill Bits 6-50mm for Tile, Ceramic, Glass, Porcelain and Marble

Discover our diamond core drill bit set, the perfect tool for creating clean, precise holes in a wide variety of hard materials. This complete set is designed for cutting perfect circles in glass, ceramic tiles, marble, granite, porcelain, and many other surfaces. The great advantage? It only requires water as a lubricant, for clean and efficient work. Our offer includes an assortment of 15 core drill bits in different sizes to meet all your drilling needs. Available diameters are: 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 26mm, 28mm, 30mm, 40mm, and 50mm. Each drill bit is made from high-quality metal and coated with a diamond coating, ensuring exceptional hardness, excellent wear resistance, and remarkable durability for a long service life. These drill bits are compatible with all standard electric drills, making them incredibly versatile and easy to use. The method is simple: start your hole by slightly tilting the drill to create a circular groove, then straighten the tool to complete the drilling. For optimal results and to preserve the quality of your drill bits, it is crucial to always use water as a lubricant during operation. This prevents overheating and protects the diamond coating from damage. This 15-piece set, with a total weight of approximately 358 grams, comes brand new and ready to use. Please note that the models (new or old type) are shipped randomly.