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Contact Us
- Contact Person : Ms. Wang Mia
- Company Name : Zhoushan Zhongyang Screw Manufacturing Co., Ltd.
- Tel : 86-574-88114868
- Fax : 86-574-88114878
- Address : Zhejiang,Ningbo,Room 408,Unit 10,Jinshuiwan Building,Changfeng,Yinzhou District
- Country/Region : China
- Zip : 315000
conical twin screw and barrel
Product Detailed
Related Categories:Plastic Processing Machinery Parts
Detailed Product Description
The barrel and screw can be designed different structure according to different your drawings and market request.
1.Depth of Nitration Layer: 0.5-0.8mm
2.Hardness of Nitration: 950-1020Hv
3.Fragility of Nitration: Less than grade 1
4.Surface Roughness: Ra 0.4 um
5.Streightness of Screw: 0.015mm
6.Surface Hardness of Nitrated Cr coating Layer: >=950Hv
7.The Thickness of Cr Coating Layer: 0.03-0.08mm
8.Hardness of Alloy Plating: HRC55-62
9.Depth of Alloys Layer: >2mm
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