plastic injection machine screw and barrel 1.Screw Diameter: 15mm-300mm 2.Material: 38CrMoAlA; SKD61; SKD11.etc. screw barrel for plastic injection molding machine We ,Lucheng screw ... , PC, PSV, PTFE, PR, UP, PEC, PF, VF, MP, PMMA, PET, PBT, PPS, MPPO, PI, LCP, etc.. Lucheng screw with the ...