برميل برغي لطارد الرغوة / الطارد برميل برغي واحد

                                      Screw & Barrel for Foam sheet/hose/pipe   Diameter                          65mm or 75mm   Materials 38CrMoAlA (JIS SACM645) 42CrMo(JIS ACM440)SKD61  Application EPE 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 Heat-Treatment Nitrided Bimetallic ...