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 includes five rotary burrs that are efficient and reliable, reducing labor intensity while improving the working environment. Ideal for processing various metals, including hardened steel, as well as non-metals like marble, jade, and bone. Technical specifications Material: Tungsten steel Shank diameter: 6 mm Cutting diameter: 10 mm Total length: 50-60 mm Machining hardness: HRA≥85 Speed: 6000-50000 revolutions per minute Service life: 10 times higher than high-speed steel cutters, 200 times higher than small wheels Usage Cleaning trimmings, veins, and welds of connections, forging, and welding Finishing all kinds of metal molds Chamfering, rounding, and grooving mechanical parts Finishing inner hole surfaces of machine parts Ideal for machining various shapes of mold cavities Other information