| spare parts type | screw barrel | material | PP,PE,TPU,PC,PS,PET film materials |
| machinery test report | Provided | video outgoing-inspection | Provided |
| key selling points | High-Accuracy | Weight (KG) | 1200 |
| Conventional material | 38CrMoAIA,SKD61,Cr12MoV,SACM645,Ni-based alloy,GHII3 | Nitrided hardness | HV900-1000 |
| Nitrided depth | 0.5-0.8mm | Quenching hardness | HRC55-62 |
| Nitrided brittleness | Less than grade 2 | Surface roughness | Ra 0.4 |
| Screw Straightness | 0.015mm | Chromium plating layer hardness | ≥950HV |
| Chromeplate thickness | 0.05-0.10mm | Alloy depth | 2.0-3.0mm |