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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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Great Reamer Introduciton

Great Reamer Introduciton

Recent Products
  • RC PDC Bit

    RC PDC Bit

    RC PDC bit from GREAT are manufactured from AISI 4145H heat-treated steel.
  • 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) ...
  • Roller Bit Core Barrel

    Roller Bit Core Barrel

    Core barrel with roller bit is used in very strong rock formations(compressive strength > 100Mpa)
  • Matrix Body PDC Bit GM1605T

    Matrix Body PDC Bit GM1605T

    Matrix body PDC bit is made by Tungsten carbide podwer , it is very high hardness material , mainly used for deep Oil&Gas well drilling.
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