MaterialCrafted from quality high manganese steel and diamond grit, the tile drill bit offers exceptional strength and wear resistance, ensuring durability Size InformationFeaturing a three layer chamfer design with diameters of 20mm, 35mm, and 50mm, this tool can accommodate various hole sizes efficiently User Friendly DesignThis diamond bevel chamfer drill bit is designed for easy use, allowing you to enlarge, polish, shape, and trim existing holes effortlessly. It supports both dry and wet applications for versatile performance FitmentEquipped with M10 threaded diamond bevel chamfer drill bit that can be directly mounted on a 100 type angle grinder. Additionally, it can be adapted for use with hand drill by adding an adapter rod (not included) Wide ApplicationsThis M10 countersink drill bit is suitable for a variety of materials including granite, marble, tiles, concrete, ceramics, and more Size Chart: approx 5cmx6.1cm/1.97inchx2.40inch 3 layer diameter: 2cm/0.79inch 3.5cm/1.38inch 5cm/1.97inch Package Includes: 1 Piece Diamond Beveling Chamfer Bit Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store