... material:Wc/Co.Ni+B/Cr 2)application:injection molding machine,extrusion machine,bakellitemachine 3)dimension:15mm-300mm1)material:Wc/Co.Ni ... molding machine,extrusion machine,bakellitemachine3)dimension:15mm-300mm4)effective length: 8000mm5)hardness:HRC 58-62Used for PR, PE, PC pipes etc. Mixing single screw ... and barrel for extruder machine