MD-72 parallel twin machine screws manufacturers for pvc

MD-72 parallel twin machine screws manufacturers for pvc

Specification

PX-φ45/2-φ150/2

(Length/Diameter Ratio):L/D=18~40

 

Application

PVC profile(Door & window) / WPC(PVC,PE) / PVC foam board / PVC pipe / PVC compound etc

Brand Name:Batten
Applicable Industries:Plastic Goods Production, Plastic Goods Production
Material:38CrMoAlA
Hardening Hardness:HB280-320
Nitrided Hardness:HV900-1000
Nitrided Case Depth:0.45-0.8mm
Nitrided Brittleness:Less than Grade 2
Surface Roughness:Ra 0.4
Screw Straightness:0.015mm
Chrome Hardness:HV more than 950HV
Thickness after chrome:0.05-0.10mm
Alloy depth&hardness:0.8.-2.0mm/0.8.-2.0m
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