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New Pdc Drill Bit Sale Brand New Pdc Drill Bit Mining Equipment Sangao

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New Pdc Drill Bit Sale Brand New Pdc Drill Bit Mining Equipment Sangao

14 78 PDC drag bit is mainly cheap for water wells mining geothermal environmental and exploration drilling. It is suitable for drilling in soft and soft-medium formations with fast penetration rate and high efficiency and special for the large diameter holes drilling.