screw and barrels
  • Screws (Injection machine)
    Material: 38CrMoAlA, 1.8550...
    Nitride, Bimetallic, Tungsten carbide
    D: Φ12-400mm
  • End cap (injection machine)
    Material: 4140, 42CrMo,38CrMoAlA...
    Nitride or bimetallic polished core

  • Screw tips (injection machine)
    Material: H13, SKD, 42CrMo,38CrMoAlA...
    Nitride or bimetallic polished

  • Barrels (injection machine)
    Material: 38CrMoAlA, 1.8550...
    Core: Nitride, Bimetallic, Tungsten carbide
    D: Φ12-400mm
  • Core with ribs
    High quality ribs inside of barrel


  • Core with grooves
    High quality grooves inside of barrel


  • Screws (Extruder)
    Material: 38CrMoAlA, 1.8550...
    Nitride, Bimetallic, Tungsten carbide
    D: Φ12-400mm
  • Barrels (Extruder)
    Material: 38CrMoAlA, 1.8550, 4140...
    Nitride, Bimetallic, Tungsten carbide core
    D: Φ12-400mm
  • Bush
    Material: 38CrMoAlA, 1.8550, 4140...
    Nitride, Bimetallic, Tungsten carbide core

  • Twin conical screws
    Mini, Φ35/77, Max, Φ92/188
    Nitride, Bimetallic
  • Twin conical barrels
    Mini, Φ35/77, Max, Φ92/188
    Nitride, Bimetallic
  • Twin screws and barrel
    Mini, Φ35/77, Max, Φ92/188
    Nitride, Bimetallic
  • Squeezing screw

    Nitride, Bimetallic
  • Squeezing barrels

    Nitride
  • Squeezing barrel

    Nitride
  • Gas Nitride hardening
    Surface hardness: 900-1000Hv
    Nitride depth: 0.6-0.7mm
  • Bimetallic Hardening
    Bimetallic layer: ~2mm
    Surface hardness: 60-65HRc
  • Bimetallic Hardening
    Bimetallic layer: ~2mm
    Surface hardness: 60-65HRc
Contract us
  • Hongtuo International Co.,Ltd
    Hongtuo Machinery Co.,Ltd
    Address: Xihou Industial zone, Jintang town, Zhoushan city, China
    Tel: +86-8055339
    FAX: +86-8055339
  • Click name to send email
    General Manager: Mr. Tang Chenbo
    Sales Manager: Mr.Steven Chou
     Sales: Ms.Jojo Xu
    Sales: Mr.Terry Dai