Product: Tungsten Carbide Guillotine Knives For PaperMaterial: Tungsten Carbide TippedType: Standard,Website:http://www.chinabettool.com, Non-standardProduct Description:The tungsten carbide guillotine knives are also called paper cutter knives, guillotine blades, paper cutter blades and trimmer knives.With the development of the paper industry, the paper mills need the knives of super long service life, because when the knife edge is blunt, you need stop the machine and change the knives, it need some time and the production line should be stopped, it will reduce production efficiency.Tungsten carbide knives can be a long service life, if cut common paper, the service life maybe 2~3 months.Three knives trimmer knife is used to cut the three edge of the book, trimmer knives are widely used in publishing, bookbinding factory.