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Cangzhou Great Drill Bits Co.,Ltd.
Cangzhou Great Drill Bits Co.,Ltd.
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Recent Products
  • PDC Hole Opener

    PDC Hole Opener

    PDC Hole Openers, are used to enlarge the pilot hole in Horizontal Directional Drilling(HDD).Widely used in construction, bridge, highway and railway construction.
  • Drag Bit

    Drag Bit

    Normally drag bits are 3 wings, but we can make 4 or 5 wings following your drawings or samples.
  • Bi-center Bit

    Bi-center Bit

    This type of Bi-center bit mainly used for medium to medium hard compressive and abrasive formation.
  • RC PDC Bit

    RC PDC Bit

    RC PDC bit from GREAT are manufactured from AISI 4145H heat-treated steel