برميل برغي بثق ثنائي المعدن لآلة الطارد 65/132 برغي مخروطي مزدوج

Bimetallic extrusion screw barrel for extruder machine 65/132 twin conical screw Screw Diameter 55/110mm  45/90mm  65/132mm  92/188mm Application Sheet  Pipe Tape 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 &...