Description: Quality Material: Our Diamond Core Bit is made from industrial diamonds, ensuring exceptional durability and cutting performance. This M14 female/ 1/2 gas male drill bit can penetrate the toughest granite, marble, and ceramic tiles up to 20mm or 30mm in thickness. Versatile Use: This Diamond Drill Bit is for drilling through a variety of materials, including concrete, brick, porcelain, ceramic tiles, granite, and more. Whether you're working on a construction project or a home renovation, this tool is a must-have for and efficient drilling. Optimized Design: The M14 Diamond Core Bit features a hollow center design for easy removal of drilling dust, reducing friction and heat during the drilling process. This not only extends the bit's lifespan but also enhances drilling speed and precision. Easy to Install: This 32mm drill bit with M14 thread is designed for quick wet drilling into stone and ceramic tiles. It's ideal for use with high-speed angle grinders. It's easy to install and remove, saving your time and effort. Safe and Efficient: Safe is our top priority. The bit's diamond-encrusted edges provide a stable drilling experience, reducing the risk of slips or mishaps. Furthermore, the bit's cutting ability ensures quick and efficient work, saving you valuable time on your projects. Specification: Material: Diamond Drill Size Chart: Opening diameter: 32/35mm Package Includes: 1 Piece Diamond Drill Bit Note: 1. Please allow slightly error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Wish you a wonderful online shopping!