
【5-PACK IN 1】One pack contains 5 pieces with a diameter of 6 mm. In addition, each diamond drill is in a separate plastic box that you can easily find and use. 【SUSTAINABLE AND EFFECTIVE】High-quality diamond grain for efficient and clean holes. Filled with cooling wax, extremely heat-resistant, suitable for dry drilling. C45 tool steel has extremely high stability and works more efficiently. 【APPLICATION】1) Place the diamond drill bit at an angle of approximately 30° to the material surface and carefully start drilling. 2) Tilt the drill bit to a vertical position once a notch has been created. (Water or coolant is recommended for longer life) 【Versatile】Perfect for porcelain, glass brick, ceramic, ceramic tile, granite, marble, quartz, limestone, fiberglass terrazzo, masonry, quartz stone and sandstone. 【WIDE APPLICATION】The 1/4 inch (6.35 mm) hex shank fits all light drills, chucks and hammer drills from Bosch, Hilti, Metabo, Makita, Milwaukee, etc.