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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.
  • 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...
  • Hybrid Drill Bit

    Hybrid Drill Bit

    Hybrid drill bit conventional PDC and roller-cone bits. It is saving cost, Improves Drilling Efficiency.
  • Rock Reamer

    Rock Reamer

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