Thanks to their modularity, tubular or food channel screws represent the solution that best adapts to the characteristics of the materials to be transported. Generally used as transport or extraction systems from silos, they are made of carbon steel, adequately treated on the surface, and have a support plate fixed at the ends, a coil and coupling bushings, a gearmotor, intermediate supports and the ends, complete with seal assembly and bolted covers. The food channel screws are easily inspected, as they are equipped with a cover in the upper part. Both types can be supplied with fully opening doors for sanitization.