Screws / helical gears

The screw and helical gear wheel together form the helical gear. Both axes are placed at an angle of 90° to each other.

The screw is a single- or multiple-run gear, with the tooth being wound spiralling around the cylinder. It therefore is very similar to a screw.

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Execution types:

  • cut
  • hardened
  • polished


  • tempering steels
  • operational steels
  • cast bronzes
  • plastics


  • 1.5 – 10 up to quality 6


  • max. screw diameter approx. 200 mm
  • max. helical gear diameter approx. 1000 mm