Rubber Screw and Barrel for Rubber and Plastic Machine
2.The models of screw include:
| MATERIAL | HEAT-TREATMENT |
| 38CRMOALA | NITRIDING TREATMENT |
| 42CRMO | BIMETALLIC ALLOY COATING |
| 40CR | HARD-CHROME ELECTROPLATED |
| SKD11 | VACUUM QUENCHING |
| SKD61 | HIGH-FREQUENCY |
| Depth of Nitration | 0.5-0.8mm |
| Hardness of Nitration | 950-1020Hv |
| Roughness of surface | Ra 0.4um |
| Fragility of Nitration | Less than grade 1 |
| Linearity of screw | 0.015mm |
| Depth of double alloys | 2-3mm |
| Hardness of double alloys | HRC58-62 |
Jinsheng Services and Advantage:
1) Jinsheng have more than 1 year quarantee
2) Jinsheng have over 10 years history
3) Jinsheng have a strong work-hard team
4) Jinsheng is the first factory to make the bimetallic screw and barrel
5) Jinsheng will handle all difficult for products
6) Jinsheng will meet customer request
7) Jinsheng will be keeping improving
Jinsheng product flow:
| ORDER | ![]() |
| DESIGN & DRAWING | ![]() |
| PROCESSING & PRODUCTING | ![]() |
| FINISHED PRODUCTS | ![]() |
| INSPECT | ![]() |
| CONFIRMED BY BUYER | ![]() |
| SHIPPING | ![]() |






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