Tips for screw and barrel,screw barrel assembly,check valve

Depth of Nitrated Layer: 0.5-0.8mm            

 Hardness of nitration: 58-72HRC

Fragility of nitration: Less than grade 1      

 Surface roughness: Ra 0.4um 
We supply various types of screw barrel ,if you have any inquiry,do not hesitate to inform us.