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API Mill bit huntu IADC217 12 1/4 inci (311mm) pikeun pangeboran sumur
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bit pangeboran harga low IADC217 14 3/4 inci (374mm) pikeun hard rock
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Bor pangeboran bit IADC217 17,5 inci (444,5mm)
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4 1/4 Inci PDC Séred Bit 3 bilah
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Pabrik API TCI tricone bit IADC617 5 5/8″ (142.9mm)
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API Rotary tricone bit IADC617 6 "(152mm) pikeun pangeboran sumur
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Tricone rock bit IADC617 8 1/2″ (215.9mm) pikeun pangeboran sumur
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Produsén API tina bit batu tricone IADC617 9 7/8 inci" (250mm)
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Pabrik API tina tricone roller bit IADC617 12 1/4 inci (311.1mm)
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Pabrik API bit pangeboran batu IADC617 17 1/2 inci (444.5mm) dina stok
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API tungsten carbide sisipan batu dill bit IADC627 3 7/8″ (98mm) di stock
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Rotary roller bit IADC627 8 1/2″ (215mm/216mm)