Screw elements for plastic & rubber machinery
Overview
Screw elements for plastic & rubber machinery, listed by Extrusion Machine in Nanjing, Jiangsu. The listing gives nitrided hardness 900-1000HV, bimetallic hardness 57~69HRC and chrome-plating layer depth 0.03-0.09mm.
Technical specifications
| Nitrided hardness | 900-1000HV |
|---|---|
| Bimetallic hardness | 57~69HRC |
| Chrome-plating layer depth | 0.03-0.09mm |
| Surface roughness | Ra 0.4 |
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