... cable.. 4.Long worklife Single Screw Barrel for Injection moulding machine Diameter30mm-250mmMin.Order1 setMaterials38CrMoAIA42CrMo(JIS SCM440)9Cr18MoVCW6Mo5Cr4V2SKD11 ... ,PS,U-PVC,PVC,PU Payment TermT/T, L/C, WESTERN UNIONTechnical Process1.Rough Machining2.Quenching and ... and enhancing service. 2 Our products:Screws Barrels for Injection, Extrusion, and Blow Molding applications; relevant accessories( ...