Diamater：Ф16-Ф300
L:D ratio：L/D=15-40
There are gradual , saltain, wave, screen, double screen,taper,distribntary,saparating,exausting dowel,mixed smelting,double screws,three screws,more screws,granulating etc.
Specifications of Extruder Screw and Barrel ：
Diameter of screw：Ф16-Ф300
L:D ratio：L/D=15-40
1、 Material:38crMoAIA，Nitriding treatment，Surface Surface Hardness HV≥900. Depth of nitration case：0.5-0.8mm.
2、 Material:Surface WC/CO overall spray welding, can effectively improve the service life of the screw.
types of screw：
Gradual , saltain, wave, screen, double screen,taper,distribntary,saparating,exausting dowel,mixed smelting,double screws,three screws,more screws,granulating etc.
