... of this single screw and barrel. single screw&barrel for injection machine or extruder diameter: Φ15mm~ Φ250mmlength:300mm~8000mmexternal diameter:Φ40mm~Φ400mmL ... depth:0.8~2.0mm, twin-alloy hardness: 60~70 Product types:almost all kinds of single-screw types can be ... made. Scope of application:PP, PE, PS, EVA, ABS, PVC, APC, PMMA pelletizing, foaming,sheet and plate extruder ...