Conical Screw and Barrel

Conical Screw and Barrel

Production scope: Screw diameter Φ15~Φ500
　　　　　　　　　Maximum screw length 10,000mm
　　　　　　　　　Barrel inner bore diameter Φ500mm

Technical Data:

Depth of Nitrated Layer: 0.5-0.8mm             Hardness of nitration: 900-1020Hv
Fragility of nitration: Less than grade 1      Surface roughness: Ra 0.4um 
Hardness of Cr-coating Layer: ≥950Hv          Thickness of Cr-coated Layer: 0.03-0.08mm 
Hardness of Bimetallic Layer: HRC55-72         Depth of Bimetallic Layer: >2mm

Special surface treatment like hard nickel or hard chrome plating depending on the material to be processed can be used on most of these Nitro Alloy Materials as per clients requirements.

If you do not see the particular model you are looking for in our website, please give us a call to discuss your needs.

In most case we can provide you with a complete solution to meet your demands.