Rubber machine screw and barrel

Rubber machine screw and barrel
Model:-
Brand:Superior Machinery
Origin:Made In China
Category:Industrial Supplies / Rubber & Plastics Machine
Label:screw , barrel , Rubber machine screw
Price: US $1 / pc
Min. Order:1 pc
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Product Description

Product Specification and technical data

  • Cold/heat feeding screw size：Φ20mm～Φ250mm
  • Quenching and tempering hardness: HB240-280°
  • Nitration hardness: HV900-1,050°
  • Depth of Nitrated Layer: 0.5-0.8mm
  • Thickness of Cr-coated Layer: 0.03-0.08mm
  • Nitration fragility: ≤grade 1
  • Surface roughness: Ra 0.4um 
  • Straightness: 0.015mm
  • Cr-coating layer hardness: HV≥950HV
  • Depth of Bimetallic Layer: 3-5mm
  • Bimetallic hardness: HRC52-64° 
Payment Terms:TT
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Member Information

NINGBO SUPERIOR MACHINERY CO,.LTD
Country/Region:Zhe Jiang - China
Business Nature:Manufacturer
Phone:18094567412
Contact:Nancy Cheung (Production Manager)
Last Online:20 Oct, 2015

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