1Box 3mm Shank Tungsten Carbide Rotary Burrs 6mm Diameter Double Cut Rotary File Features Using Rotary Burrs is an effective way to mechanization in hand work operations,in the industries of airplane, ship building, automobile, machinery, chemistry etc. Carbide Rotary Burrs can be widely used in machingiron, steel casting, carbon steelalloy steel, stainless steel, copper, aluminium etc. 1. Machining various kinds of metal material including SHRC65 hardened steel. 2. Instead of small emery wheels, without powder pollution. 3. Increasing productivity of serveral ten times than using hand tools and three to five times than using small emery wheels. 4. Having long life of ten times than high speed steel burrs and fifty times than small emery wheels. 5. Finish machining various kinds of die cavities. 6. Removing the burrs of the castings, forgings and the welding spatter on the weld assemblies. 7. Chamfering angle, circular bead or flute on the machanical components. 8. Chamfering or burring the pipes. 9. Polishing the impeller channel. 10. Grinding the hole to an accurate shape. Specification: Type: Double cut rotary burrs Material: Carbide Coating: Nano Blue Coating Shank: 3mm Largest Diameter: 6mm Application: The carbide alloy rotary file use is extremely widespread, appies in the mold processing manufacture. Machine parts bevel edge, inverted round and trench processing, The clean-up casting, forging, weldment's edge, Burr and welded joint, pipeline, impeller passage's light entire processing, metal and nonmetallic material(bone jade .stone)industrial art carving. Note: Please allow 1-3mm error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Including: 10pcs Rotary Burrs _x000D_