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I-API drill bts factory IADC126 4 3/4 intshi (120mm)
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Iibhithi ze-API zeekhowuni ezintathu IADC126 4 5/8 intshi (118mm) zokugrumba umthombo
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Iibhithi zokubhola ezenzelwe wena ze-API IADC126 5 1/4 intshi (133mm) zelitye eliqinileyo
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Iibhithi zeTricone zokugrumba imithombo zisesitokhweni IADC126 6inches (152mm)
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I-API Tricone drill bit IADC126 9.5 inches (241mm) iyathengiswa
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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)
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Iibhithi zokubhola ezikhoyo kwisitokhwe se-IADC127 7 7/8 intshi (200mm)
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Iibhithi ze-tricone ezixabiso eliphantsi IADC127 9 5/8 ” (244.5mm)