[NEVER USED] Diamond Drill Bits for Ceramic Tiles, Porcelain Stoneware, Tiles, Glass, Stone. Set of 4 Professional Diamond Drill Bits

Product never used, packaging damaged during transport. Unopened product, repackaged in our warehouses, in perfect working condition, warranty available.

General Description: Four professional-grade diamond drill bits for drilling hard materials such as glass, tiles, ceramics, marble, granite, quartz, limestone, fiberglass, terrazzo, and porcelain stoneware. This set includes drill bits with diameters of 5 mm, 6 mm, 8 mm, and 10 mm, with a length of 67 mm and a 10 mm diamond grit. A practical and sturdy storage case is included. Technical Specifications Drill Bit Diameters: 5 mm, 6 mm, 8 mm, 10 mm Length: 67 mm Diamond Grit: 10 mm Hex Shank: 1/4" Diameter Compatibility and Accessories Compatible with lightweight drills and rotary hammers such as Bosch, Hilti, Metabo, Milwaukee, etc. Installation Pre-drilling: Position the drill bit at an angle of approximately 30° until a notch forms. Straighten the drill bit and increase the rotation speed for efficient drilling. Use Drill at a steady speed. Add water or coolant to extend drill bit life. Lift the drill bit occasionally to allow it to cool. Do not use on concrete or masonry.