Developments and Innovations in Circular Slitter Knives
Jul 01, 2025

Circular slitter knives are essential tools in many industrial applications, from packaging and paper industries to metalworking and plastics manufacturing. These blades are designed to make clean, precise cuts in a wide range of materials, improving production efficiency and quality. Licheng Blade, with over 20 years of expertise in manufacturing industrial blades, is proud to be at the forefront of innovations in circular slitter knives. Our advanced manufacturing processes and commitment to providing customized solutions help businesses around the world achieve superior cutting performance.


Circular slitting knives are divided into the following materials:

High Carbon Steel: The introduction of high carbon steel marked a significant milestone in the development of slitter knives. This material increased blade longevity and cutting precision, especially when dealing with harder materials. 


Tungsten Carbide: Today, one of the most significant innovations is the use of tungsten carbide in the manufacturing of slitter knives. Tungsten carbide’s remarkable hardness and wear resistance make it an ideal material for cutting tough, abrasive materials, improving blade life and reducing downtime.


Carbon Steel: Traditionally used in many industrial applications, carbon steel slitter knives are known for their affordability and sufficient cutting efficiency in less demanding environments. 


High-Speed Steel (HSS): HSS offers excellent resistance to wear and heat, which makes it ideal for high-speed cutting applications. Its ability to maintain sharpness over long periods improves productivity.

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