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Cangzhou Great Drill Bits Co.,Ltd.
Cangzhou Great Drill Bits Co.,Ltd.
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Steel body PDC bits in Mazak CNC machine

Steel body PDC bits in Mazak CNC machine

Recent Products
  • Rock Reamer

    Rock Reamer

    GREAT DRILL customized Rock reamers size from 10'' to 72''.
  • Steel Tooth Bit

    Steel Tooth Bit

    Steel tooth drills are suitable for extremely soft formations with low compressive strength and high drillability such as clay, mudstone, chalk, etc..
  • 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.
  • PDC Core Bit

    PDC Core Bit

    GREAT customized made Diamond core bits ,which including Matrix body and Steel body.
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