Screw and Barrel for PE, PVC Extruder

Screw and Barrel for PE, PVC Extruder. High Hardness Nitriding: Surface hardness HV>=900-1000 with nitriding layer depth of 0.5-0.8mm. Premium Alloy Material: Made from 38CrMoAlA, 40CrMo, or 42CrMo high-quality alloy steel. Custom Manufacturing: We manufacture various screw barrels according to customer requirements. Durable Cr Coating: Chromium coating layer hardness HRC55-62 with thickness 0.03-0.08mm. 20+ Years Experience: Over 20 years of experience in manufacturing and designing plastic machines. 24-Hour Service: Providing 24-hour customer service and technical support. 1-Year Guarantee: Offering more than 1 year guarantee for product quality and performance. Global Sales Network: Reaching South America, Eastern Europe, Southeast Asia, Africa, and more.