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Iikhowuni ezintathu ze-IADC517 13 5/8″ (346mm)
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I-API iqhosha lokubhola iqhosha i-IADC517 17 1/2″ (444.5mm)
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Umthengisi weebhithi ze-tricone ze-API IADC117 5 7/8 intshi (149mm)
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Iibhithi ze-API ze-tricone drill tooth milled IADC114 12 1/4″(311mm)
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Thenga ii-tricone bits IADC117 12 1/4 intshi (311mm)
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Intloko yokugrumba imingxuma IADC126 3 7/8 intshi (98.4mm) yelitye eliqinileyo
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Umzi-mveliso we-Well drilling rig bit IADC126 17 1/2 intshi (444.5mm)
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Umzi-mveliso weTricone bit IADC126 26 inches (660mm)
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Umzi-mveliso weebhithi zokubhola ezipheleleyo i-IADC127 6 1/4 intshi (158.8mm)
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Umthengisi weebhithi zeTricone IADC127 7.5 intshi (190mm)
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Iibhithi zokubhola iirig ze-API IADC127 8 1/2 intshi (215mm) zelitye eliqinileyo
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Iibhithi zeTricone zisesitokhweni IADC127 8 3/4 intshi (222mm)