Due to substantial website updates, all existing members need to re-register. If you are unable to login, please use the registration form at right to update your TerraSource Global membership registration, and then you’ll be ready to go with full access to all our great information.

Forgot Password?


An account will get you access to all resource documents, videos and TerraSource Global collateral.

Get Started
Sign In

Screw Conveyors by Jeffrey Rader Brand

Screw conveyors transport, transfer and meter materials into and out of storage bins, silos, reclaiming piles, drag chains and from under other process equipment.


Also known as an auger conveyor, spiral conveyor or robbing screw, the Jeffrey Rader screw conveyor can handle materials such as woody biomass, wood chips, bark, Refuse Derived Fuel (RDF), pellets, and many others.

Advantages & Benefits:

  • Helical screw rotates upon a single shaft
  • Designed to move bulk material along a horizontal, inclined, or vertical plane
  • Employs the latest technology in screw design
Technical Data
  • Dust-tight housings fabricated with a variety of wear surfaces that include bolt-in liners
  • Screws are manufactured from a variety of materials, with surface coatings used to improve their wear life