PVC Screw and Barrel

Payment Terms: T/T,L/C,D/A,D/P,WU
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Basic Info.
  • Place of Origin: Zhejiang  
  • Min.Order: 1 Set/Sets
  • Means of Transport: Ocean, Air, Land
Supply Capacity
  • Packing:wooden
Material:
Alloy-steel of high-quality
1)38 CrMoAIA(JIS SACM645)

Heat-treatment
Nitriding treatment
Electroplate hard-chrome
High-frequency quenching
Spraying corrosion wear-resisting dual metal layers
Vacuum quenching
Technical Parameter
Steel Material: DIN 41CrA1Mo7 / AST M4140 / GB 38CrMoAlA
Deepness of Nitriding Layer: 0.7 mm -0.9 mm
Hardness of Nitriding: HV900 - HV1, 000
Nitriding Brittleness: ≤ Grade 1
Chromate plating: Thickness 0.05 mm - 0.10 mm, hardness HV950
Special treatment: Carbide coating on screw flight and bimetallic barrel
Screw straight tolerance: 0.015 mm/m
Surface roughness: Ra 0.4μm

Send message to this supplier
Ms. Eva Yu
Tel: 86-580-8803979
Mobile: 13567431804
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Contact Method
Zhoushan Jianghai Screws Manufacture Co., Ltd
No. 599 Xingzhou Road, Dinghai District, Zhoushan, Zhejiang, China (Mainland)
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