General description 5PCS 6mm Shank 10mm Head Tungsten Carbide Double Cut Rotary Burr Set is designed for woodworking engraving and die grinding. Made from high-quality tungsten steel, this set offers convenient control and is safe and reliable to use, reducing labor intensity while improving the work environment. Technical specifications Material: Tungsten steel Shank diameter: 6mm Cutting edge diameter: 10mm Total length: 50-60mm Speed: 6000-50000 revolutions per minute Machining hardness: HRA≥85 Usage Processing various metals, including hardened steel Working with non-metals such as marble, jade, and bone Cleaning trim, veining, and welds of joints Finishing all kinds of metal molds Chamfering, rounding, and grooving mechanical parts Finishing inner hole surfaces of machine parts Other information Includes: 5pcs Carbide Rotary Drill Bit Tool Warm Tips: Use with pneumatic or electric tools, tighten the tool, and maintain a cutting direction from right to left. Avoid excessive force