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Iibhithi zelitye le-TCI tricone IADC537 6 3/4″ (171mm)
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Iqhosha le-API i-IADC537 6.5 inches (165mm) ngexabiso eliphantsi
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I-TCI rock bit IADC537 7 1/2” (190 mm)
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I-API factory tricone bit IADC537 7 5/8 ” (193.7 mm)
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I-TCI tricone bit IADC537 7 7/8 intshi (200 mm)
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I-Tungsten Carbide Insert Bit IADC537 8 1/2″(215.9mm)
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I-API button rock drill bit IADC537 8 3/4″(222.2mm) ngexabiso eliphantsi
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I-TCI drill bit IADC537 9 1/2″(241mm) ye-oilwell yelitye eliqinileyo
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Iibhithi zokubhola imingxunya yelitye ye-API IADC537 10 5/8 intshi (269mm)
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Ii-API ezintathu zeekhowuni i-IADC537 11 5/8″(295mm) zesixhobo esiqinileyo
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Ibhithi ye-tri-cone ejikelezayo i-IADC537 12 1/4″(311mm)
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Isixhobo sokubhola amatye esitywiniweyo sesinyithi esivalwe ngentsimbi i-Far Eastern rock bit IADC537 13 5/8″(346mm)