... Precise processed, agile combination Self-cleaning,transmission,compounding Tairong MachineyTwin screw extruder screw element: convenient interchangeability by agile combination.fulfill efficient self-cleaning ... , SLIDING PIECE3) MATADORFP 34WEAR CONE , BARREL , WEAR BARREL WEAR BUSH , WORM4) BUHLERDFEB315WORM , INLET SCREW , STOP BOLTDFEA220WORM , INLET SCREW , STOP BOLT , INSERT BUSHSPACER RING , ...