ILJIN-MTL Screw Feeder The MTL Sanitary Screw Feeder is an upgrade of the iljin- DB2 Screw Feeder which incorporates the latest technology including a smaller footprint. The DB2 is still available upon request. Product Overview ILJIN highly accurate, dependable Model MTL Volumetric Screw Feeder has only five moving parts–drive, coupling, two bearings, and a screw. The co..