General description High-quality, temperature-resistant diamond grain for efficient and clean holes. This set of diamond drill bits is filled with cooling wax and is suitable for dry drilling. It is designed for a longer service life, with the use of water or coolant recommended. The drill bits can be used on various materials including glass, ceramic tiles, hard tiles, porcelain, granite, marble, quartz, limestone, fiberglass, terrazzo, porcelain stoneware, masonry, and stoneware. Technical specifications Drill diameters: Ø 6 mm, 8 mm, 10 mm, 12 mm Hexagonal shank: 7 mm Total length of the drill: 65-80 mm Installation Create a starting notch with the included carbide drill. Insert the diamond drill at an angle of approximately 50° onto the starting notch. Rotate 45° and drill carefully. Once the notch is deeper, place the machine and diamond drill bit upright. When drilling, make slight circular movements to remove dust and dirt. Pause the drilling process to cool the diamond drill