The screw conveyor makes going round a screw wing in a shape of U gutter or in a cylinder and feeding a conveyance objects as a result of movement.

- Mainly to be used in a short transportation like grain, fertilizer, cement and non-powdered coals.
- Easy to shut a conveyance and be available to install several enterances of input and output on a conveyor.
- Suitable for the processing of needed mixing, hitting, cooling or drying during transporting.