برميل برغي الطارد لآلة بثق برغي مزدوج

  Conical Screw & Barrel Screw Diameter : 45/90mm 55/110mm 65/130mm Application : water pipe. drainage pipe. label printing film. shrinkable film Plastic processed :PVC Technical Parameter  Nitride Case Depth 0.5mm-0.8mm Nitride Hardness 1000-1100HV Nitride Brittleness ≤Grade One Surface Roughness Ra0.4um Screw Straightness 0.015mm Alloy Hardness HRC68-72 Alloy Depth 0.5mm-0.8mm Chromium Coating Thickness   0.025~0.10mm Material & Technologies  SKD61(H13)...