Auger and Archimede’s screw

  • The “S” type spirals  technologically represent the best of what the market can offer regarding quality, accuracy, sturdiness and durability.
  • The spirals of the type “R” combine the reliability of operation and speed of assembly affordability.
  • The Bertuzzo flexible spirals guarantee great flexibility, torsion resistance and perfect functioning of the curves.
  • Cold pressed spiral obtained through presswork, combine precision and mounting facility with durability and service wear resistance.