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Ambongadiny tricone bits IADC117 6 1/4 in (159mm)
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Vidin'ny tricone bits IADC117 9 7/8 in (250mm)
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Vidio ny bitika tricone IADC117 12 1/4 in (311mm)
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Tricone bits mpanamboatra IADC117 6 3/4 santimetatra (171mm)
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Bitika tricone namboarina IADC117 13 5/8 santimetatra (346mm)
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Bitika fandavahana lavadrano any Shina IADC117 17.5 santimetatra (444.5mm)
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Loha fandavahana tsara IADC126 3 7/8 santimetatra (98.4mm) ho an'ny vato mafy
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Mpamatsy Tooth Tooth Milled IADC126 4.5 santimetatra (114mm)
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API drill bts factory IADC126 4 3/4 in (120mm)
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API telo cones bits IADC126 4 5/8 santimetatra (118mm) ho an'ny fandavahana
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Tricone bits ho an'ny fandavahana tsara amin'ny tahiry IADC126 6inches (152mm)
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API Tricone drill bit IADC126 9.5 inches (241mm) amidy