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Parallel Twin Screw and Barrel

Parallel Twin Screw and Barrel

Overview

Parallel Twin Screw and Barrel, listed under Screws by ZY SCREW in Zhejiang. The listing gives length/diameter ratio） L/D=18~40, material High quality 38CrMoAlA and nitrided hardness HV900-1000.

Technical specifications

Length/Diameter Ratio）L/D=18~40
MaterialHigh quality 38CrMoAlA
Hardness After Hardening & TemperingHB280-32
Nitrided HardnessHV900-1000
Surface RoughnessRa 0.4
Alloy HardnessHRC 50-65

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