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Quick Details

  • Place of Origin: Zhejiang, China (Mainland), Zhejiang, China (Mainland)
  • Brand Name: shenglong screw, shenglong
  • Model Number: single or twin screw, single or twin screw
  • single or twin screw: single or twin screw

Packaging & Delivery

Packaging Details wooden case
Delivery Time 25-40days

Specifications

We have outstanding theoretical background and practical experience, providing optimum designs of screws and barrrels for our cu

Technical data:

Depth of Nitrated Layer: 0.5-0.8mm          Hardness of nitration: 900-1020Hv
Fragility of nitration: Less than grade 1        Surface roughness: Ra 0.4um 
Hardness of Cr-coating Layer: ≥950Hv       Thickness of Cr-coated Layer: 0.03-0.08mm Hardness of Bimetallic Layer: HRC55-72            Depth of Bimetallic Layer: >2mm

 

Transaction History of the Supplier

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Transaction Details

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China (Mainland) | Manufacturer, Trading Company
Supplier Assessments:
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $43,000
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