We can manufacture all types of screws and barrels according to clients' requirement.Kinds of conical twin screw bimetallic.

We can manufacture all types of screws and barrels according to clients' requirement.

Double screw and barrel  

Depth of Nitration Layer: 0.5-0.8mm Hardness of Nitration: 950-1020Hv Fragility of Nitration: Less than grade 1 Surface Roughness: Ra 0.4 um Streightness of Screw: 0.015mm Surface Hardness of Nitrated Cr coating Layer: >=950Hv The Thickness of Cr Coating Layer: .03-0.08mm  Hardness of Alloy Plating: HRC55-620Depth of Alloys Layer: >2mm

We can manufacture all types of screws and barrels according to clients' requirement.