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drill collar

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Country:

China

Model No:

NC23-31------8 5/8REG

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Haixin petroleum equipment Co.Ltd

Haixin petroleum equipment Co.Ltd

China

Free Member

Contact Person wang

hekou economic development, Dongying, Shandong

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Product Specification

  • Standard: API SPEC7
  • Grade: AISI 4145H
  • Thickness: mm
  • Section Shape: Square
  • Secondary Or Not: Non-secondary
  • Application: Oil Pipe
  • Technique: Cold Rolled

Product Description

 Trepanning and heat treatment: drill collars are trepanned and drifted to API Spec 7, full-length heal-treatment processes.
Treceability: drill collar material and process traceability are maintained from recetpt of certified raw material to completion of all the manufacturing.
Cold rolling: drill collar thread roots as well as elevator recess uppper radius, are cold-rolled
Thread protectors: our company offers steel and cast steel and plastic steel thread protectors for its drill stem products.

Country: China
Model No: NC23-31------8 5/8REG
FOB Price: Get Latest Price
Place of Origin: -
Price for Minimum Order: -
Minimum Order Quantity: -
Packaging Detail: -
Delivery Time: -
Supplying Ability: -
Payment Type: -
Product Group : -

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