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I-API Rotary roller drill bit IADC517 4.5 intshi (114mm) kwisitokhwe
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Iqhosha leqhosha IADC517 118mm lokwembiwa kwelitye le-geothermal.
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Umzi-mveliso we-API we-rotary roller bit IADC517 4 3/4″ (120mm)
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API iqhosha elijikelezayo elitywiniweyo amasuntswana IADC517 5 1/4″ (133mm) esitokhweni
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I-Tungsten Carbide Faka intwana yokomba ilitye IADC517 5 7/8″ (149mm)
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I-API Well drilling bittricone bit IADC517 6″(152.4mm) iyathengiswa
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Tricone roller drill bits IADC517 6 1/4″ (159mm)
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I-TCI itywinwe amaqhosha elitye lelitye IADC517 6 1/2″ (165mm) yokomba umthombo
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I-TCI trione bit IADC517 7 1/2″ (190mm)
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Ubunzulu beTricone Bit IADC517 7 7/8 intshi (200mm)
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API Tricone Bit IADC517 8.5 intshi (215.90mm)
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API Tricone drilling bit IADC517 8 3/4 intshi (222mm) kwisitokhwe