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API TCI tricone rock drilling bit IADC417 6 ″(152mm) for hard well
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API tsime rekuchera zvishoma IADC417 12 1/4 ″(311mm) yedombo rakaoma
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API tricone drill bit IADC437 6″(152mm) yekuchera matsime
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TCI trione bit IADC437 12 1/4 ″ (311mm) yekuchera matsime
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API fekitori yerock roller cones bits IADC437 8.5 ″ yekuchera
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Rotary drill bit IADC447 6.5 inches (165mm)
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API Rotary roller drill bit IADC517 4.5 inches (114mm) mustock
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Bhatani bhiti IADC517 118mm yekuchera geothermal tsime.
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API fekitori ye rotary roller bit IADC517 4 3/4″ (120mm)
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API bhatani rinotenderera rakanamwa mabits IADC517 5 1/4 ″ (133mm) mustock
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Tungsten Carbide Insert rock drilling bit IADC517 5 7/8″ (149mm)
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API Zvakanaka kuchera tricone bit IADC517 6 ″(152.4mm) iri kutengeswa