General description This diamond drill bit is designed for dry drilling in ceramic, porcelain, natural stone, and other hard materials. It offers high precision and durability, making it suitable for both professional and DIY use. The bit is compatible with grinders and is supplied in a blister pack. Technical specifications Diameter options: from 6 mm to 75 mm Maximum operating speed: 14,000 rpm Thread: M14 Materials recommended: ceramic, porcelain, marble, granite, natural stone Technology: vacuum brazed welding for high heat resistance Internal cooling: wax inside models from 6 mm to 12 mm diameter for automatic cooling during use Side opening: available on models from 20 mm to 75 mm for better cooling and debris removal Compatibility and accessories Compatible with standard grinders and rotary tools No additional accessories required, but it is important to keep the bit free of obstructions for optimal performance Installation Attach the drill bit securely to your grinder or