API 7-1 Oilfield Non-Magnetic Drill Collar 4 3/4'' Forged Drilling Collars P530/P550 Nmdc Slick/Square/ Spiral Well Drilling

2025-04-13 introduction 2110

Warranty:

1 Year

Manufacturing Process:

Forging

Surface Treatment:

Polishing

Operation Pressure:

Atmospheric Pressure

Material:

P550

Certificate:

API

Trademark:

East heavy

Transport Package:

Iron Frame Packaging

Specification:

According to the custom

Origin:

Henan China

HS Code:

8431431000

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