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API Rotary roller drill bit IADC517 4.5 inches (114mm) setokong
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Button bit IADC517 118mm bakeng sa ho chekoa ha majoe a seliba sa geothermal.
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API feme ea rotary roller bit IADC517 4 3/4″ (120mm)
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Konopo ea API ea rotary e tiisitsoeng likotoana tsa IADC517 5 1/4 ″ (133mm) setokong
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Tungsten Carbide Insert rock drilling bit IADC517 5 7/8″ (149mm)
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API Well drilling tricone bit IADC517 6″(152.4mm) ea rekisoa
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Tricone roller drill bits IADC517 6 1/4″ (159mm)
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TCI e tiisitsoeng ea likonopo tsa lejoe la majoe IADC517 6 1/2 ″ (165mm) bakeng sa ho cheka seliba
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TCI trione bit IADC517 7 1/2″ (190mm)
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Deep Well Tricone Bit IADC517 7 7/8 inches (200mm)
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API Tricone Bit IADC517 8.5 inches (215.90mm)
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API Tricone drilling bit IADC517 8 3/4 inches (222mm) e fumaneha