20 Pcs Diamond Rotary Burr Set, Engraving Bit Set with 3mm(1/8") Shank, Diamond Coated Drill Bit for Rotary Tool Grinding, Polishing, DIY Engraving, Drilling

General description The 20 Pcs Diamond Rotary Burr Set is a versatile engraving bit set designed for use with rotary tools. This comprehensive kit includes 20 diamond-coated drill bits in various shapes, such as spherical, pointed cone, cylindrical, oval, bullet, and flat rectangular, making it suitable for a wide range of applications including grinding, polishing, drilling, and engraving on hard materials like tiles, ceramics, marble, and granite. Technical specifications Quantity: 20 pieces Shank size: 3mm (1/8') Material: Diamond particles Features: Wear-resistant, high hardness, impact resistant Compatibility and accessories Compatible with most rotary tools Usage Ideal for home decoration and crafts Suitable for grinding, drilling, cutting, and engraving Can engrave on a variety of hard materials