Bimetallic Screw and Barrel Accessories of screw and barrel Parallel twin screw and barrel Conical twin screw and barrel Screw and barrel For injection malding machine Screw and barrel for extruder
Material: Alloy ¨Csteel of High-quality 1)38CrMoALA(JIS SACM645) 2)42 CrMo(JIS SCM440)