Screw element 1.Professional designer of screw elements 2.High quality screw elements made better performance Screw element Key words: Twin screw element Extruder screw element About screw elementMatierials: W6Mo5Cr4V2 or 38CrMoAlATreatment: Quenching and nitridingDiameter: 14 mm to 320 mmContain kneading block and conveying elementThe basic element of co-rotating twin screw extruders is the ...