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Musoro wekuchera zvakanaka IADC126 3 7/8 inches (98.4mm) yedombo rakaoma
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Milled Tooth Bits mutengesi IADC126 4.5 inches (114mm)
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API drill bts fekitori IADC126 4 3/4 inches (120mm)
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API Makoni matatu mabhiti IADC126 4 5/8 inches (118mm) yekuchera mutsime
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Tricone bits yekuchera mutsime mustock IADC126 6inches (152mm)
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API Tricone drill bit IADC126 9.5 inches (241mm) iri kutengeswa
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Well drilling rig bit fekitori IADC126 17 1/2 inches (444.5mm)
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Tricone bit factory IADC126 26 inches (660mm)
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API customized drill bits IADC126 5 1/4 inches (133mm) yedombo rakaoma
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API tsime rekuchera musoro IADC126 7 1/2 inches (190.5mm)
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Chibooreso chakaiswa chisimbiso bts IADC126 9 7/8 inches (250mm)
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Tricone drill bits supplier IADC126 12 1/4 inches (311mm) yekuchera matsime