Crusher knives / Granulator blades are widely used in recycling industry for cutting waste plastics, bottles, cans, cable wires, waste tires, scrap metal, industrial waste, etc. LUK's crusher knives are all grinded by high precision GOCKEL CNC grinding machines. They are very sharp without burr that not only deliver better cutting quality, but also last longer. Our blades are suitable for Herbold, Zerma, Cumberland, Rapid, Nelmore, Tria, and many other famous machines. All our granulator / crusher blades are made of high-grade steels supplied by top names in China and abroad, who have excellent and stable quality.What's more, we sample each batch of steel and send it to professional third-party laboratory for inspection and analysis, hence to double ensure the quality of steel to make our products. Forged blanks are also available as per application requirements. We possess unique heat-treatment process and do it in-house. Therefore, we can guarantee evenly distributed hardness, e