Shanxi Huanjie Petroleum Drilling Tools Manufacturing Co., Ltd.

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Product Details:

Outer Diameter 120.7
Place of Origin China (Mainland)
Technique Seamless
Specification 120.7
Grade AISI 4145H
Length 9150

Detailed Product Description


Drill collars are manufactured from AISI 4145H modified steel, and are supplied in the" as rolled" surface finish

drill collar drill collar

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