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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)
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Iibhithi zamazinyo ze-API mill zisesitokhweni se-IADC127 9.5 intshi (241mm)
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Iibhithi zokugrumba imithombo enzulu i-IADC127 13 5/8 ” (346mm) zikho esitokhweni
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Iibhithi zokubhola iiplagi zesamente IADC127 4 3/4 intshi (120mm)
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I-Bit yokugrumba umthombo we-IADC127 3 7/8″ intshi (98.4mm)
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Umenzi weebhithi zeTricone IADC127 4 9/16 intshi (115.9mm)
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I-API tricone drilling IADC127 4 5/8 intshi (118mm) iyathengiswa
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Ifektri yeTricone bits IADC127 5 7/8 intshi (149mm) yokugrumba umngxuma oqinileyo
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Umzi-mveliso weebhiti ezitywiniweyo IADC127 6 intshi (152mm)