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Cangzhou Great Drill Bits Co.,Ltd.
Cangzhou Great Drill Bits Co.,Ltd.
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Recent Products
  • 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) ...
  • 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...
  • RC PDC Bit

    RC PDC Bit

    RC PDC bit from GREAT are manufactured from AISI 4145H heat-treated steel.
  • Crocodile PDC Reamer

    Crocodile PDC Reamer

    PDC Reamer is the perfect tool for large diameter HDD bores. The size of the reamer is ranging from 12" to 50".