[PRECISE ECCENTRIC DESIGN] This drill bit is expertly crafted for precise drilling into glass tiles, accurate holes with minimal effort. [PUNCHING POWER] With high-speed rotation and cutting edges, it allows for quick and efficient hole creation in glass tiles, making your projects easier. [STABLE TRIANGULAR AND SPIRAL SHAPE] The unique shape enhances stability and minimizes vibration, resulting in smoother and more precise drilling results. [ CARBIDE MATERIAL] Made from carbide, this drill bit provides excellent wear resistance and ensures precise positioning without slippage during use. [BROAD APPLICATIONS] for drilling through tiles, glass, hard plastics, cement, granite, and concrete; particularly effective when used with a water drill.