Zerma Blades and Knives for Plastic Granulators

Zerma Blades for the plastic and rubber industries

Zerma has been a leading supplier of granulator machines to the plastics and rubber recycling industries for many years. Zerma blades (granulator bed knives that work alongside rotating rotor knives) cut and shred plastic materials into smaller pieces for subsequent processing or recycling.

We offer granulator beds and rotor knives compatible with Zerma and other machines. Our knives and blades can fit any machine, from a small slow speed to a multipurpose heavy-duty granulator. Our experts have experience in optimizing granulator knife designs for each specific application. We use only top-quality, certified European steel to manufacture our blades.


We manufacture Zerma blades for all granulator machines in our certified factory

Our production factory has an internationally recognized standard of quality, it is certified by ISO9001.   We offer off-shelf and customized Zerma granulator bed knives and rotor knives manufactured according to OEM specifications. We also provide a tough-tipped Zerma blades for superior lifespan and performance, which can reduce plant downtime and the risk of damage, resulting in significant savings for our customers.


We supply Zerma blades and knives for granulator machines worldwide. By now, we have built a large database of drawings to meet our customers’ needs.


All our knives are carefully ground to ensure a precise gap fit, precision cutting, longevity, and machine balance. Our goal is to ensure that all our customers consistently generate uniform regrind with minimal dust content.


Some of Zerma Granulator Blades that we manufacture are listed below:













Please note, if you cannot find your model of Granulator bed knife please do contact us using the form to the right.

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