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API Rotary-roller drill bit IADC517 4.5 inches (114mm) in stock
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Biby kely IADC517 118mm ho an'ny fandavahana vatolampy geothermal.
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API orinasa ny rotary-roller bit IADC517 4 3/4″ (120mm)
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Bokotra rotary API voaisy tombo-kase IADC517 5 1/4″ (133mm) misy tahiry
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Tungstène Carbide Ampidiro bitika fandavahana vato IADC517 5 7/8″ (149mm)
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API Well drilling tricone bit IADC517 6″(152.4mm) amidy
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Tricone-roller drill bits IADC517 6 1/4″ (159mm)
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TCI nasiana tombo-kase vatolampy bits IADC517 6 1/2 ″ (165mm) ho an'ny fandavahana
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TCI tricone bit IADC517 7 1/2″ (190mm)
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Lalina lalina Tricone Bit IADC517 7 7/8 santimetatra (200mm)
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API Tricone Bit IADC517 8.5 santimetatra (215.90mm)
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Biby fandavahana API Tricone IADC517 8 3/4 in (222mm) misy tahiry