General description The 20 Pieces Double Cut Burr Set features 3mm tungsten carbide rotary files designed for wood and stone carving, as well as cleaning burrs and welds. This comprehensive set includes 10 different types of rotary files, catering to various processing needs, including finishing metal molds, removing burrs and welds, and cutting mechanical parts. Technical specifications Product Name: Carbide Burr Set Size: 3x3mm Quantity: 20 pieces Material: Tungsten Carbide Steel Cutting Method: Double Cut Tool life: 10 times longer than high-speed steel tools and over 200 times longer than small grinding wheels Compatibility and accessories Compatible with most tools such as rotary tools, lathe tools, grinders, drills, and other multi-function tools. Usage Suitable for a variety of materials including wood, plastics, and softer metals like aluminum. Applications include mold manufacturing, mechanical chamfering, grooving, cleaning, molding, and welding.