
Bimetallic Screw and Barrel for Plastic Feeder Barrel. High Corrosion Resistance: Made of premium metal materials like 38CrMoAlA and 42CrMo for durable performance. Precision Straightness: Achieves high precision with screw straightness of 0.015mm/M. Hard Chrome Plating: Features electroplate hard chrome with thickness 0.03-0.06mm and HRC 62-72 hardness. Versatile Application: Suitable for PP, PE, ABS, PVC, and various plastic extrusion and recycling processes. Nitriding Treatment: 7-day nitriding process ensures surface hardness HV>900 and depth 0.6-0.8mm. QC Report Available: Specific quality control reports are provided before delivery for assurance. Logo Customization: Supports laser engraving of your logo or code number on the product.