... pipe,film,sheet,cable.. 4.Long worklife Single Screw Barrel for LDPE film Diameter30mm-250mmMin.Order1 setMaterials38CrMoAIA42CrMo(JIS SCM440)9Cr18MoVCW6Mo5Cr4V2SKD11,61GH113Discount AvailableApplicationABS ... machines, varied Screws and Barrels and spares. We concentrate on improving quality, updating design and enhancing service. 2 Our products:Screws Barrels for Injection, Extrusion, and ...