API Drill Collar Spiral Drill Collar and Nmdc Video, Demo, How It Works & Features
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Product Specifications
After-sales Service:
Technical/Sample/Quality
Warranty:
1 Year
Manufacturing Process:
Forging
Surface Treatment:
Polishing
Operation Pressure:
Atmospheric Pressure
Material:
Alloy
Steel Grade:
4145h
Protectors:
Thread Protectors
Properties:
Ns1 and Ds1 Properties
Standard:
According to API Spec 7-1
Available:
Pony Drill Collar Available
Groove:
Stress Reflief Groove
Trademark:
SHUNFU
Transport Package:
Standard
Specification:
3 1/8" - 11"
Origin:
China