Product: High Speed Steel Guillotine Knives For PaperMaterial: HSS,Website:http://www.chinabettool.com, High Speed Steel, other materialsType: Standard, Non-standardProduct Description:The guillotine knives are also called paper cutter knives, guillotine blades, paper cutter blades and trimmer knife.They can be used to cut normal paper, corrugated paper, and they are used in many paper mills.The HSS material are inlaid, we will prepare a common material, process a groove on it, then put the HSS material into the groove and add some welding materials at the same time. When every thing is ready, it will be put into the heat treatment, adjust the setting temperature and time, this is the welding way.Three knives trimmer knife is used to cut the three edge of the book.