granulator rotor knives | fly knives

Spare parts by CUTMETALL

Looking for rotor knives? Look no further. CUTMETALL supplies suitable » fly knives (also known as » flat knives) for granulator models from many machine manufacturers, including Herbold, Alpine Hosokawa, STF, Condux, Eldan, Neue Herbold, Amis Zerma, Getecha, Wanner, Previero and many other renowned brands.

Our various filter options let you narrow down the search for the right » fly knife for your granulator's rotor.

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  • PREMIUM LINE = KNIVES MADE IN GERMANY
  • ECO LINE = CUTMETALL FOREIGN PRODUCTION
  • CUTMETALL PLUS = CARBIDE EDGE KNIVES MADE IN GERMANY
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Flat knives

Flat knives, sometimes called long knives, are characterised by a straight cutting edge and their flat design. By means of different hardness and grinding technologies, various performance profiles can be realised, the performance of which varies in terms of service life, process reliability and product quality.


Fly knives

In a shredding machine, rotor knives do the main work of shredding the material to be ground. In the grinding chamber, the rotor knives mounted on a cutting rotor move against a fixed stator knife block. This is attached to the rear wall of the grinding chamber.

» Flat knives, but also crown cutters are used as rotor knives. You can view our crown cutters by clicking » here (» crown cutters).


Do you have questions on our fly knives?

Our extensive flat knive product range includes numerous knife variants.

Not sure which rotor knive is right for you? We are here to assist you in finding the replacement fly knife best suited to your specific task.

Should you have any further questions about whether and how the service life and durability of your machines can be extended, please reach out to our Sales team. We would like to show you how CUTMETALL products optimize your break down processes!

Your CUTMETALL team!


How you benefit from Spare parts by CUTMETALL

CUTMETALL products: More than a spare part! Tuning for your machine!

Our spare parts and wear parts are not original equipment manufacturer items (original parts of the machine manufacturers) but rather process-optimized CUTMETALL own brands: A perfect fit. Durable. Economical.

CUTMETALL - partner, problem solver, and process optimizer for the recycling and shredding industries.