MEMKEY Diamond drill bit, diamond tile drill bit, porcelain stoneware tile drill bit, with 5,6,8,10,12 mm, metal drill bit for 6 mm tiles, tile drill bit

General description Diamond drill bit set designed for efficient drilling in various materials including tiles, glass, granite, and marble. This set includes six drill bits: 5mm, 6mm (yellow carbide pre-drilled), 8mm, 10mm, and 12mm. The yellow drill bit is intended for pre-drilling only and should not be used for extended periods to prevent damage. Technical specifications Includes drill bits: 5mm, 6mm (yellow carbide), 8mm, 10mm, 12mm Yellow drill bit is pre-drilled Installation Install the yellow drill bit on the hand drill Position at a 45-degree angle and rotate quickly on the material surface Replace with the appropriate size blue diamond drill bit for further drilling Usage Recommended to add water while drilling to cool the drill bits Blue diamond drill bit contains cooling wax for heat absorption and dissipation Suitable for drilling tiles, glass, granite, and marble Other information Compatible with hand drills, angle grinders, and bench drills