  
  
  
  
Specifications: 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
   |