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  • Bau Wireline Coring Drill Rod 3m - China

    price: 1.00 Dollar US$

    BAU Wireline Coring Drill Rod 3m

    AU/RAU Series of Dill Rods

    (PHD drill rods, HAU drill rod, NAU drill rod, BAU drill rod)

    Description of products:

    Drilling rod type:

    AU series drilling rod is interchangeable with Q series coring drilling rod that is common in the international geological exploration industry.

    Taper threaded connection is adopted to facilitate connection and prevent stuck, and thread surface is hardened to greatly prolong service life of the thread.

    Pipe body: Quality alloy steel pipe is adopted and 100% test is conducted for each raw material to ensure uniform concentricity, straightness and heat treatment.

    Thread: Taper threaded connection (3 threads per inch) is adopted to facilitate connection and prevent thread stuck.

    Each thread is under relatively even stress, providing sufficient strength for product application.

    Heat treatment: The whole undergoes heat treatment process to improve service life of products.

    Threads at both ends of the product undergo special process treatment to provide about 140% of material strength.

    Service life of inner thread improves obviously.

    Thread surface hardening: after special process treatment, outer thread surface hardness is up to about 55HRC, which effectively avoids "sticking thread" and reduces abrasion and "stuck" due to engagement of thread;

    RAU series product undergoes technical upgrading on the basis of AU product.

    Well drilling capability is improved and well drilling cost is decreased due to its stable and reliable connection.


    Company Contact:


    • Phone: 18961833797

    • Address: https://www.auprospect.com/, Wuxi City, Jiangsu Sheng, China

    • Email: Email


    Published date: August 30, 2021

    • Business Description: Founded in July 11, 2019 with a registered capital of 50 million yuan ( USD7.1 million), a holding company of China Geological Equipment Group, Au-Prospecting (APR) Drilling Tools (Wuxi) CO., Ltd is located in Huishan Economic Development Zone.

      We have a workforce in-excess of 100 employees, comprising R&D, technicians and specialist operators.

      APR drilling tools areas of expertise is in the R7D of drilling technology, manufacture of all in-hole tools to serve the drilling industry and its accessories: Diamond &carbide tools, technical services & consulting including technology transfer.

      The company invested 28 million yuan (USD4 million) in state-of-the-art equipment procured from Japan to manufacture and produce drilling tools of excellent quality.

      We have strong co-operations with Shanghai University and the Institute of Exploration and Technology of the Chinese Academy of Geological Science to undertake numerous national, provincial and ministerial level scientific and technological research projects.

      APR Drilling Tools have our own Quality Management System and independent intellectual property rights and patents

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