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I-API tricone drilling IADC216 7 5/8 intshi (194mm) yesixhobo seoyile
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Iibhithi ezintathu zeekhowuni zomzi-mveliso i-IADC217 3 7/8 intshi (98mm)
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Iibhithi zokubhola ezijikelezayo IADC217 6 intshi (152mm)
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Iibhithi ezintathu ze-API ezigayiweyo ze-IADC217 7.5 inches (190mm) zikho esitokhweni
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Iibhithi zamazinyo zentsimbi ye-API yeoyile IADC217 8.5 intshi (215mm) zokubhola amatye
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Iibhithi zokugrumba imithombo enzulu IADC217 11 5/8 intshi (295.3mm) zelitye eliqinileyo
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Iibhithi zamazinyo ze-API Mill IADC217 12 1/4 intshi (311mm) zokugrumba umthombo
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Iibhithi zokubhola ezixabisa kancinci i-IADC217 14 3/4 intshi (374mm) zelitye eliqinileyo