Rubber machine screw and cylinder for extruder

Price: 2000.0~3000.0 USD
Trade Term: FOB
Payment Terms: T/T,L/C
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Basic Info.
  • Brand Name: Vanscrew 
  • Marerial: 38CrMoALA 
  • Heat-treatment: Nitrided 
  • Nitrided time: 120Hours 
  • Nitrided thickness: 0.5-0.8mm 
  • Hardness: Hv900-1000 
  • HS code: 8477900000 
  • Port: Ningbo 
  • Model No.: RC-120 
  • Place of Origin: Zhejiang  
  • Min.Order: 1 Set/Sets
  • Means of Transport: Ocean, Land
Supply Capacity
  • Production Capacity: 500sets/Month
  • Packing:wooden case
  • Delivery Date: 30days

Rubber machine Screw and barrel
Pin Screw and Barrel Specification    dia75mm~dia200mm
Cold/Heat Feed Screw Specification   dia65mm~dia650mm
Technical parameter

Quenching and Tempering Hardness HB280-320

Screw Straightness 0.015mm

Nitriding Hardnes   HV850-1000

Nitrided Chromium Coating Surface Hardness≥900HV

Nitriding Depth 0.45~0.7mm

Chromium Coating Thickness   0.025~0.10mm

Nitridng Brittleness   2 Level

Duplex Alloy Hardness HRC50-65

Surface Roughness ≤Ra0.4

Duplex Alloy Depth   0.8~2.0mm

Materials and Technologies

Quality 38CrMoAIA (41CrAIMo7)


Quality Duplex Stainless Steel



Quality Powder Metallurgy Materials


Hard Metal Cold/Thermal Spraying Technology

Zinc 3# Steel

Advanced Nitriding Technology

Anti-corrosion and Wear-resisting Duplex Metal Spraying Technology

Send message to this supplier
Mr. Kevin Wu (Manager)
Tel: 86-580-8050095
Mobile: 13666583666
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Contact Method
Zhoushan Vanscrew Machinery Co.,Ltd.
Yangang North Road,Jintang Town,Dinghai District, Zhoushan, Zhejiang, China (Mainland) / 316032
Fax: 86-580-8050057
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