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            >Screw and barrel 
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              SCREW & BARREL PARTS  



            Diameter: Φ 15mm up to Φ 300mm
            Max.Length: ≤ 10000mm

            1.Material: 38CrMoAIA
            Nitriding treatment, Surface hardness: HV≥900
            Nitriding depth: 0.5~0.8mm

            2.Material of barrel inside layer: Tungsten alloy
            Surface spraying, prolong life of screw

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