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HardROC international trading (Shanghai) Co., Ltd.
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  3. Top Hammer Tools
  4. Drifting and Tunneling Tools
  5. Rotary Drill String

Rotary Drill String

  • Product Item：Rotary Drill String
  • 4145H and 4330 Material
  • All type of thread
  • All availabe in the market
  • Traceable
    • Inquiry Send Email

    Description

    HardROC can supply all drill string for each machine in the market. The OD is from 127 to 278mm with different thread accoridng to customer reqeust. Length is up to 30 meters.

    Inquiry Us





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