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Cangzhou Great Drill Bits Co.,Ltd.
Cangzhou Great Drill Bits Co.,Ltd.
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Recent Products
  • Rock Reamer

    Rock Reamer

    GREAT DRILL customized Rock reamers size from 10'' to 72''.
  • Raise Boring Cutters

    Raise Boring Cutters

    Raise Boring Cutters OverviewThe raise boring cutters is mainly used for the construction of vertical shafts, ventilation shafts inclined shafts, pressure regulating shafts and escape shafts , and it...
  • Downhole motor

    Downhole motor

    GREAT DRILL BITS can be customized and supply various sizes , type downhole motor according to the drilling demand.
  • Steel Body PDC Bit GS1915SZ

    Steel Body PDC Bit GS1915SZ

    Steel body PDC bit is made by AISI 4145H heat treatment steel manufacture, it has lower cost compare with Matrix body PDC bit.