... Moldel number: Single screw barrel Single screw and barrel molding machine 1. high quality and advanced technology 2. reliable priceSingle screw and barrel molding machine1.Size:screw diameter ø20-ø ... ≥950HV Thickness of Cr coating layer :0.03-0.08mmUsed for granulation ,PP,PE,PA,PC,ABS,AS etc About our ... we will wait to serve you all the time! Nitrided screw and barrel of injection molding machine