... ,Eastern Europe,Mid East/AfricaScrew Main parameter and technical parameter:u Screw Diameter: Φ20mm-Φ300mmu Material: 38CrMoAlA; SKD61; SKD11; 40Cr; ... )SKD61 .etcApplication PS,HIPS,ABS,SAN,EPN/LDPE,HDPE,UHMPE,EVA,PP,PVC,PMMA,POM,PAST,PET,PBTNitride Depth0.5mm-0 ... process and producing progress:The production of screw barrel type:u injection screw barrel, injection Molding screw barrel,screw tips/screw ...