برغي مزدوج الطارد البلاستيكي للأنابيب البلاستيكية والرغوة

Conical Screw & Barrel Screw Diameter : 45/90mm 55/110mm 65/132mm 80/156mm 92/188mm... Application : water pipe. drainage pipe. label printing film. shrinkable film.frame profile Plastic processed : PVC PP PE HDPE LHDPE etc Technical Parameter Nitride Case Depth 0.5mm-0.8mm Nitride Hardness 950-1050HV Nitride Brittleness ≤Grade One Surface Roughness Ra0.4um Screw Straightness 0.015mm Alloy Hardness HRC58-65 Alloy Depth 0.8mm-3.5mm Chromium Coating Thickness 0.025~0.10mm ...