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Intloko ejikelezayo yerig IADC127 9 7/8 ” (250.8mm)
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Iikhowuni ezi-3 ze-roller bits IADC127 11 5/8 ” (295mm)
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Iibhithi zokugrumba imithombo enzulu IADC127 12 1/4 ” (311mm)
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Iibhithi zokubhola zemithombo ezenziwe ngokwezifiso ze-IADC127 14 3/4 ” (374mm)
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Iibhithi ze-tricone ezithengiswa ngobuninzi IADC127 17.5 intshi (444.5mm)
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Iibhithi zelitye leTricone IADC137 6 intshi (152mm) zokugrumba imithombo
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Izinti zamazinyo okugaya zokugrumba umthombo IADC215 17.5 inches (444.5mm)
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Iibhithi ze-API Tricone rock IADC215 12 1/4 ” (311mm) ngexabiso eliphantsi
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I-API tricone drilling bit IADC215 8.5 inches (215.9mm) iyathengiswa
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Ifektri ye-API drill bits IADC216 4.5 intshi (114mm)
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Umthengisi weebhithi ze-API zokubhola ii-rig IADC216 5 3/4 intshi (146mm)
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Izinyo ezisikiweyo IADC216 6.5 intshi (165mm) zokugrumba umthombo