for good plasticizing effect, we have different design of screw barrel to meet customer's demand: gradual type, mutant type, wave type, barrier type, double screen type, shunt type, separation type, exhaust type, pin type, double-head type, multi head type etc. it is suit for PA.PP.PC.PE.ABS.AS.PS.PVC.PMMA.LCP.PBT.PET.PPC.PPS.PAR.PO.Magnetic powder, ceramic powder, aluminum powder, iron powder, wood flour and other engineering plastics, PVC, PE/PP WPC pelleting. High Speed OSD Single Screw And Barrel Diameter: Φ 15-Φ 300mm Technical Data: Nitride Case Depth 0.5mm-0.8mm Nitride Hardness 950-1020HV Nitride Brittleness ≤Grade One Surface Roughness Ra0.4um Screw Straightness 0.015mm Alloy Hardness HRC58-62 Alloy Depth 0.5mm-0.8mm Chromium Coating Thickness 0.025~0.10mm Raw Material The Finnished Product Processing Requirments 38CrMoAla, SACM645 Nitriding Treatment Cr12MoV, Cr12 Alloy Steel 38CrMoAla, SACM645,40Cr.AISI4140, 42CrMo All…