Multi Groove Bottom Knife

Mario Cotta bottom knives with diameters up to 500 mm and single or double cutting edge. The type of fixing can be with or without thread, alternatively it is possible to mount the Multilock system for a perfect concentricity with the shaft. The Mario Cotta counter-knives guarantee maximum efficiency and the best performances. The solution you were looking for is just a click away from here.

Technical features

  • Ø Est.: 90 mm – 500 mm
  • Ø Int.: 60 mm – 460 mm


  • 100 Cr6
  • K100