Saturn Machine Knives Ltd manufactures the world-renowned Rotatech Brand of hook shredder blades.

Submit an enquiry today and see how Saturn Machine Knives can reduce your machine knife replacement costs.

One of the most demanding industries we serve is the recycling and size reduction sector. In these sectors, mixed waste and materials are not always properly controlled as input materials. Above all, this sector requires blades that can work under the most arduous conditions to process the various materials.

  • Rotatech hooked shredder knives will give you long life and lower operating costs against OEM parts.
    We supply hooked knives for any make or model of twin or four-shaft shredders including – Weima, Ulster, SSi, Untha, Vecoplan and many more.
  • All parts are made to customers order and we have the shortest manufacturing lead time in the UK.
  • As a result, each of our shredder knives is manufactured using steel grades specifically designed for these applications, with several to choose from to ensure good wear resistance and long life.

All manufacturing is carried out in our Sheffield facility using the latest CNC machinery. This ensures consistent quality, time and time again, in addition, you can be confident you’re getting a British made product.

Having Saturn Machine Knives Ltd supplying your hooked shredders will mean that you get the very best quality, service and value available on the market today.

Call our team today on +44 (0)114 278 90 90 or email us at We’ll offer you comprehensive guidance and advice around our range of industrial machine knives. Therefore, when you choose Saturn Machine Knives as your blade supplier you’re joining a large network of customers who trust the performance and quality of our Rotatech products.

"Great for doing regrinding.Took 6 working days to return the blades once they were dispatched though."

"I can’t recommend these guys highly enough for the complete and professional service ..."

"Never had any issues here. Next day delivery always arrives on time, handy for my business!."