Negotiable
The date of payment from buyers deliver within days
Zhejiang
Long-term effective
2017-11-18 16:46
279
Company Profile
Zhejiang Zhongyang Screw Manufacturing Co., Ltd.By certification [File Integrity]
Contact:Miss Sunny(Mr.)
Email:
Telephone:
Area:Zhejiang
Address:Zhejiang
Website: http://zyscrew.shunli-ceramics.com/
Product | Cool feeding /hot feeding rubber screw barrel |
Hardness after hardening and tempering | HB260°~320° |
Nitrided Hardness | HV950°~1000° |
Nitrided Depth | 0.50~0.7mm |
Nitrided Brittleness | above 2 stage |
Surface Roughness | Ra0.4 |
Screw straightness | 0.015mm |
Hardess of surface chromium-plating after Nitriding | HV≥950HV |
Chromium-plating Depth | 0.05~0.10mm |
ALLoy Depth | 0.8~2.0mm |
Alloy hardness | HRC56°~65° |
Alloy | iron,nickel,tungsten,molybdenum |
Types of screw | Gradual type,mutant type,wave type,barrier type,double screen type,shunt type,separation type,exhaust type,pin type,mixed type,double-head type,three-head type,multi head type etc. |
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