WLS420 × 6500 Shaftless Screw Conveyor — Product Introduction Product Overview The WLS420 × 6500 shaftless screw conveyor is an enclosed conveying unit designed for sticky and stringy bulk materials. Model breakdown: WLS denotes the shaftless screw conveyor series, 420 is the spiral blade outer diameter (φ420 mm), and 6500 is the conveying length of 6500 mm (6.5 m)抖音百科Dahan Conveyor Manufacturer. Unlike conventional shafted screws, this unit removes the intermediate drive
