... barrel for PE extruder machine 1. High quality competitive price 2. Better performance longer life time 60mm nitrited screw barrel for PE extruder machineScrew ... steelTechnology: nitriding treatment, alloy coating spraying, heat-treatmentAppliance: PVC, PP, PE, PA, PC, ABS, AS etcTechnical Index (30g-25000g): Depth ... Bimetallic Layer: >2mm LUCH002 60mm nitrited screw barrel for PE extruder machine