Specifications screw &barrel design manufacturer in Zhoushan 1.More than 30 years experience 2.Direct Manufacturer on screw&Barrel 3.Quality JinJing Brand Bimetallic screw&barrel design manufacturer in Zhoushan Specification Specification: Diameter of pin screw and barrel: Φ75mm-Φ200mm Diameter of cold feed or hot feed screw and barrel: Φ30mm-Φ250mm In order to get good plasticization to different rubber material, we could supply different screw designs. Technical Data Base Material 1)38CrMoAlA(JIS SACM645) 2)Cr12MOV(JIS SKD-11) 3)4Cr5MoSiV1(JIS SKD-61) 4)42CrMo(AISI 4140) Bimetallic Alloy Materials 1)Fe-based alloy 2)Ni-based alloy/Deloro alloy 3)Co-based alloy 4)NiCo-based alloy 5)Tungsten carbide/Wolfram carbide Double-alloy level Level A - containing Tungsten of 40% Level B - con…