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Amanani aphansi okumba amabhithi IADC217 14 3/4 amayintshi (374mm) wetshe eliqinile
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i-wholesale drilling bits IADC217 17.5 amayintshi (444.5mm)
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Amabhithi e-Tricone drill IADC114 15.5 amayintshi(394mm) esitokweni
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Ifektri yezinyo lensimbi ye-tricone bit IADC114 17.5 amayintshi(444.5mm)
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Izingxenye zokumba ipulaki likasimende IADC127 4 3/4 amayintshi (120mm)
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I-API eyenziwe ngezifiso izingcezu zokubhola IADC126 5 1/4 amayintshi (133mm) yetshe eliqinile
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Izingcezu zezinyo lokugaya zokubhoboza umthombo IADC215 17.5 amayintshi (444.5mm)
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I-API trione drill bits intengo IADC216 4 5/8 amayintshi (118mm)
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Amabhithi e-tricone ajulile IADC216 6 amayintshi (152mm)
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Umhlinzeki we-API drilling rig bits umhlinzeki we-IADC216 5 3/4 amayintshi (146mm)
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I-API triocne drilling IADC125 17 1/2 amayintshi (444.5mm)
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Ikhanda lokubhoboza kahle le-API IADC126 7 1/2 amayintshi (190.5mm)