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3 macones roller bits IADC127 11 5/8 ” (295mm)
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Mabhiti ekuchera matsime akadzika IADC127 13 5/8 ” (346mm) ari mustock
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Customizedl tsime rekuchera bits IADC127 14 3/4 ” (374mm)
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Wholesale trione bits IADC127 17.5 inches (444.5mm)
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Tricone rock bits IADC137 6 inches (152mm) yekuchera matsime
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API tricone drilling bit IADC215 8.5 inches (215.9mm) iri kutengeswa
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API Tricone rock bits IADC215 12 1/4 ” (311mm) nemutengo wakaderedzwa
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API drill bits fekitori IADC216 4.5 inches (114mm)
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Roller cones bits mutengesi IADC216 5 5/8 inches (143mm)
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Akavharwa mabhiti anomonereka IADC216 5 7/8inches (149mm)
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Milled tooth bits IADC216 6.5 inches (165mm) yekuchera mutsime
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Tricone bits mustock IADC216 6 3/4 inches (171mm)