Apex has an extraordinarily broad and comprehensive range of products for Paper, Paperboard Industry. Apexâs factories can supply virtually all types of knives and knife-related components. Apexâs Knives are manufactured in almost all popular sizes with lengths up to 4.5meters and diameters up to 800mm in a single piece using alloy steel grades like SAE 52100, AISI D2, D3, O1, O7 and A8. Knives from CPM 10V are also supplied on request. Slitter Knives upto 400mm in Diameter are also manufactured from HSS Steels such as DIN W.Nr 1.3343 (M2), and Powder Metal HSS such as ASP 2023 and ASP 2053. Apex also supplies INLAID qualities for Bottom Knives, Sheeter Knives, Guillotine Knives etc. These Knives are inlaid with Alloy Steel, High Speed Steel or Tungsten Carbide. Apexâs Multiple Knife Blocks are manufactured up to 550mm in diameter with single/double cutting edges with dynamic balancing for high speed slitting.