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Cangzhou Great Drill Bits Co.,Ltd.
Cangzhou Great Drill Bits Co.,Ltd.
Cangzhou Great Drill Bits Co.,Ltd.
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PDC bits, Roller Cone bits, PDC reamers, Hole openers.

PDC bits, Roller Cone bits, PDC reamers, Hole openers.

Recent Products
  • PDC Cutter

    PDC Cutter

    Popular Size: 1305, 1308,1613,1616,1913
  • 120 ° U-shaped Roller Bit

    120 ° U-shaped Roller Bit

    Overview 120 ° U-shaped Roller bitGREAT has customized manufacture several types of roller bit . The traditional roller bit was cut by tricone bit . So it is including No.1 ,No.2, No.3 Cone cutters ....
  • 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.
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