20pcs Tungsten Carbide Burrs Compatible with Rotary Burrs HSS 3mm Rod, Bits Rotary Tools for Engraving Wood Metal Carving Grinding Polishing Drilling Precise Cutting

20 different shapes: This cutter kit (compatible with rotary tools) includes 20 different shapes: spherical, cylindrical, conical and others. It meets the needs of technical, artistic and industrial works requiring precision and diversity. High Strength: Made of HSS carbide, these wood engraving rotary cutters offer excellent wear resistance, heat and impact resistance. They guarantee high durability even during intensive use on different materials. Universal compatibility: These bits with 3 mm shank are compatible with most mini rotary tools, electric drills and engraving systems. Ideal for DIY, model making and precision work without any brand constraints. Stable use: These wood cutters ensure a smooth and stable cut on wood and metal. For best performance, it is recommended to use a coolant to reduce overheating and extend the life of the bits. Versatility: These metal cutters are ideal for engraving, polishing, drilling and cutting on wood, plastic, aluminium, copper and various alloys. They ensure high precision for sculpting, finishing and detailed fitting work.