Product: Tungsten Carbide Guillotine Knives For MetalMaterial: Tungsten Carbide TippedType: Standard,Website:http://www.chinabettool.com, Non-standardProduct Description: In recent years, many factory use tungsten carbide guillotine knives to cut some metal foil, such as aluminum foil, copper foil and so on, carbide material will be good wear resistance, you don't need change the knives in a short time.When grinding knives, you should use diamond grinding wheels, common grinding wheels can not grind it for tungsten carbide hardness is too high.Feed rate should be small, or it is easy to cause to crack on the knife edge.Trimmer knives are also available.