Slitting group

Toughest and the easiest to use knifeholders for paper, tissue, nonwoven, plastic film, aluminium and rubber.

Slitting group

Mario Cotta is the preferred choice in the market for pneumatic knife holders and cutting tool accessories.

With more than 40 standard pneumatic knife holders in our catalog, our products are optimal for everything from narrow minimum slits to heavy duty paper mill slitting. To offer you the most flexibility and efficiency, you can count on our standard products always being in stock.

If you have an innovative or new application, our engineering department will be happy to offer guidance on upgrades or selecting new slitting system components.

Mario Cotta can deliver results for any customer need, including:

  • Shear Cut Solutions
  • Crush Cut Solutions
  • Razor Cut Solutions
  • Hot Cut Solutions
  • Embossing Solutions

All of our blades, knife holders, rolls and slitting systems are manufactured and assembled in-house at or facility in Italy to ensure you always have the highest quality.

Pneumatic Knifeholders

Our wide range of pneumatic knife holders are capable of a variety of cutting types and can achieve narrow slitting requirements.

  • Elite Series – The Elite Series includes high-performance knife holders with onboard regulations and settings.
  • Classic Series – The Classic Series offers efficiency and reliability for the widest range of purposes.

Rails and Brackets

Rails and Brackets for slitting groups positioning.


  • Dove Tail with or without pinion and rack
  • Gold Linear with ball bearing carrier
  • GL – Rail with pneumatic brake and bracket with ball bearing carriers


Our knives and bottom knives are produced in-house and of the highest quality for all industries.


To guarantee the best quality and reliability, all of our blades are produced in-house at our facility in Italy.

Mario Cotta’s specialized technicians can engineer knives and bottom blades for any operation. We always have standard blades in stock and can produce customized parts from your drawings and specifications.

We use only the highest quality European steels, including but not limited to:

  • 100 Cr 6 – Common Steel
  • K100 – D2
  • HSS – High-speed Steel
  • ASP2053
  • Tungsten Carbid

Italian Quality

Our blades division uses the most innovative equipment to streamline the entire production process. This consistency is the reason why Mario Cotta is a leader in the industry for quality and reliability.

To ensure this level of excellence, all of our blades are manufactured in-house from heating to the finishing phase.


We provide turnkey, retrofit and customized solutions for every application or slitting system.


Mario Cotta offers the following complete slitting systems:

  • Aurora
  • Expando
  • Kobe
  • Custom Solutions

Our experience engineering custom solutions allows us to help you with your slitting application…no matter what that application is. Our team of experienced senior engineers will guide you through the complex field of slitting to choose the perfect solution for your company. From shaft slitting systems to independent motorized systems to trim or rat cut, Mario Cotta can find the best solution to your cutting challenges.

Your business is unique and has specific needs. Every slitting system we produce is tailor made with the aim of exceeding your expectations.

Whether you need new equipment, a retrofit, an upgrade or a specialized solution, we can help you increase your efficiency and safety. The Mario Cotta engineering team is ready to assist.


Service and Training

Slitting sections can be very complex. To ensure this complex system maintains reliability, Mario Cotta can service and maintain your equipment. Our highly specialized technicians are always available to offer support. We also offer training for machine operators so they can better understand and use their particular slitting section.

Slitting Systems Solutions

  • Aurora – This independent system is a high performance motorized solution for speeds up to 3,000 meters per minute. Engineered 50 mm and 80 mm wide motors are capable of speeds of more than 2,000 meters per minute for an extremely reduced run-out.
  • Expando – The one-of-a-kind technology of this shaft-based system reduces downtime and your consumables expense.
  • Kobe – The Kobe is designed specifically for efficient and reliable trim cut applications.

Retrofit & Refurbishment – Increase your productivity and safety with a retrofit or existing slitting system upgrade.

Positioning System

  • Automatic positioning offers both web-out and web-in solutions for extremely quick change outs.
  • Visualized & Cotta-Vision positioning are manual-assisted positioning systems.

The manual positioning option offers pure manual positioning.