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Cangzhou Great Drill Bits Co.,Ltd.
Cangzhou Great Drill Bits Co.,Ltd.
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Recent Products
  • Matrix Body PDC Bit GM1607T

    Matrix Body PDC Bit GM1607T

    This is a 7 blade Matrix body PDC bit , with Stinger cutters back row, used for very abrasive formation.
  • Starry Sky Roller Bit

    Starry Sky Roller Bit

    Overview Starry Sky Roller BitGREAT has customized manufacture 90 ° U-shaped Roller Bit, 120 ° U-shaped Roller Bit and Starry Sky Roller Bit.The Roller bit mainly used for Rock reamer (Hole opener) ...
  • TCI Bit

    TCI Bit

    Tricone bit is an important tool for oil drilling.
  • Rock Reamer

    Rock Reamer

    GREAT DRILL customized Rock reamers size from 10'' to 72''.