Diamond Burr 30PCS 3mm Shank Burr Rotary Set Rotary Burr Diamond Drill Bit Kit for Glass Gemstone Metal Grinding Rotary Tool Accessories

High-Quality Materials: Grinding bits are made from carefully selected material, ensuring excellent performance in fine detailing, cutting, engraving, carving, retouching, and finishing. Scope Of Application: The grinding bits can be easily used with most rotary tools and are suitable for various surfaces, including glass, metal, stone, ceramic, wood, plastic, and more. Easy To Use: With different sizes and thicknesses, the tips are suitable for various needs and can easily fit most professional electric hole punch machines, providing better performance than nail drills. Abrasion And Durability: The titanium-coated burr bit is highly durable, abrasion-resistant, and can be used for an extended time. Its surface is treated with titanium to improve durability and working efficiency. Note that experience is required, and you may break a few bits during practice. Use this bit with water, as it should not be allowed to dry out. Product Specification: The product specifications include a length of approximately 45mm, a diameter of about 3mm, and a titanium coating.