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Drill Collars

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  • 11-May-2024

Drill collars is produced by AISI 4145H chromium molybdenum steel as API specification and implementation of SY / T5144 standard, which can be cold thread rolling, copper or phosphate processing, machine special double shoulder screw thread and other specifications.We can produce the maximum outer diameter of 14 inches Drill collars.

Our company is the major supplier of CNPC and CPCC. Currently our company has an annual drill collars 20,000 units capacity, which are sold throughout the major oil fields, and exported abroad.

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