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Quick Details

  • Place of Origin: Hebei, China (Mainland)
  • Brand Name: JS
  • Type: drill rod
  • Machine Type: Drilling Tool
  • Certification: ISO
  • Material: XJY 850
  • Processing Type: cold drawn
  • Use: Ore Mining
  • Size: available in all DCDMA sizes
  • Condition: New
  • Std: Broat Longyear Std
  • Heat Treatment: heat treated

Packaging & Delivery

Packaging Details PROTECTIONS: oil paint and plastic thread protectors
Delivery Time one week

Specifications

1. high quality alloy tube
2. thru-wall heat treated tube body
3. consistent concentricity, straightness
4. tapered threads

Raw materials:
Tangshan Jinshi only choose the best steel tubes in the market to manufacture our rods and pipes. Spot check will be conducted after the steel tubes delivered to company. We will make sure the compositions and specifications match the inspection report form the suppliers.

 

Heat treatment control:
Heat treatment will greatly improve the material strength and increase the thread wear life of the rods and casings. We conduct either tru-wall or both ends heat treatment to the tube body. After heat treatment, strength, hardness, straightness and concentricity of the treated tubes will be tested in our lab.

 

Thread opening process: 
Accuracy of threads will determine the use effects and life time of drill rod and casings.
CNC latches and form cutter are used in thread opening processing to minimize error made by anthropic factors.

 

Additional thread treatment:
Surface of the threads will be cleaned to remove burr adhered after threads are opened.
Afterwards, the tread surface will be phosphated to improve surface conditions.

 

 

 

 

 

 

 


 

  

  

  

  

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Trade Assurance
China (Mainland) | Manufacturer, Trading Company
Transaction Level:
Supplier Assessments:
1 Transactions 400+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $76,000
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