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CONTACT US
  • No.54 ,Dafeng Road,Xihou Industrial Park, Jintang Town, Dinghai District, Zhoushan, Zhejiang Province
  • +86-0580-8592012
  • +86-0580-8591314
  • foreign@hr-screw.com
  • Nitriding thickness:0.5-0.8mm
    Nitriding hardness:950-1020Hv
    Nitriding brittleness:< = 一级
    Screw straightness:0.0015mm
    Chromium coating thickness:0.05~0.10mm
    Alloy thickness:0.8~2.0mm

    CONSULTATION
    • Rubber Machine Screw

      Nitriding thickness: 0.5-0.8mm

      Nitriding hardness: 950-1020Hv

      Nitriding brittleness: ≤ 1

      Screw straightness: 0.0015mm

      Chromium coating thickness: 0.05~0.10mm

      Alloy thickness: 0.8~2.0mm

      Application: rubber machine, rubber manufacturing machinery

      Specs: bore Φ14-Φ300 X 8000mm

      Length-diameter: L/D=8~20 Surface roughness:Ra0.4μm

      Nitrogen treatment: surface hardness>1000H, thickness: 0.5~0.8mm, Nitriding brittleness: ≤2, Alloy hardness: HRC56°~65°(alloy uses nickel base alloy)

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