Loading…

Bimetallic Screw and Barrel for Plastic Film Blowing Machines. High Hardness Material: Made of 38CrMoAlA and 42CrMo with HRC62-72 alloy hardness. Nitriding Treatment: Nitrogen layer depth 0.6-0.8mm, hardness HV900-1100. Precision Straightness: Screw straightness controlled within 0.015mm for stability. Custom Manufacturing: We manufacture various screw barrels according to customer requirements. 20+ Years Experience: Over 20 years of manufacturing and designing plastic machines. CE Certified: Product meets CE certification standards for safety and quality. Global Supply: Sales network reaches South America, Europe, Asia, Africa, and Oceania. Professional After-Sales: 100% quality ensure system and 24-hour after-sale service.