Chrome Plating Injection Single Screw & Barrel With High Quality Screw And Barrel

Technological Process: Blanking→Rough Machining→Quenching & Tempering →Semi Finishing Machining→Finished Product→Detecting→Nitring/Alloy Processed →Finish Machining OSD Techincal advantages 1.Advanced Nitriding Technology 2.Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy 3. we uses special alloy powders being sprayed and welded on the screw's ridge,and uses different alloy and welding methods for the screw of different functions. 4.Fast and on time delivery . Especially application: Rubber,various high glass fiber, mineral fiber and PPA,PPS, PA6T, LCP,VO fire protection, ferrous power, magnetic powder and etc. Meanwhile,Used for PVC + 30% CaCo3, recylced plastic material,etc   Tungsten carbide bimetallic injector screw barrel Diameter 25mm~200mm  L/D can be customized Materials *38CrMoALA(JIS SACM645) *42CrMo (JIS SCM440) *9Cr18MoV*CW6Mo5Cr4V2 *Various high quality alloy steels, According to different usage, the choice for alloy is differe…