Shafted screws are made from helicoid flighting or sectional flighting. They have a solid center pipe.
Shaftless screw is a heavier gauge helicoid flight that is produced to outside diameter and pitch specifications with an open center.
Shafted or shaftless screw conveyors are used in thousands of industrial applications every day for efficiently conveying a variety of bulk materials.
Customized Endlessscrews products include variable diameter and/or variable pitch screws, hollow sections to enable cooling or heating, and a variety of specialized materials.