• accessories

• Double alloy screw

  Upper limit: 4000mm. 　　

  Thickness of alloy: 2.5-3.5mm. 　　
  Alloy hardness: HRC58._~70

• Foam screw.

  Long diameter ratio: L/D: 40-60.

• Plated single screw

• Block twin screw.

• Parallel twin screw barrel.

  Diameter:Φ35/35-Φ350/250