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Hebei Yichuan Drilling Equipment Manufacturing Co., Ltd
TCI tricone bit, PDC bit, roller cone bit, tricone bit cutter
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311mm IADC 127 Steel Tooth Drill Bit For Geothermal And Environmental Protection

Hebei Yichuan Drilling Equipment Manufacturing Co., Ltd
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311mm IADC 127 Steel Tooth Drill Bit For Geothermal And Environmental Protection

311mm IADC 127 Steel Tooth Drill Bit For Geothermal And Environmental Protection

12 1/4 inch IADC 127 Milled Tooth Drill Bit How to choose a model IADC Rock formation WOB (KN/mm) PRM(r/min) 116/117 Low compressive strength, high drill-ability and extremely soft formation, like ...

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