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I-Rotary dill bit IADC216 7 7/8 intshi (200mm)
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Umboneleli weebhithi ezijikelezayo IADC216 10 5/8 intshi (269mm)
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Thenga amasuntswana okomba IADC216 17.5″ (444.5mm)
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Iicones ezintathu zasefektri IADC217 3 7/8 intshi (98mm)
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Amasuntswana e-Tricone IADC217 4.5 intshi (114mm) yokomba ilitye elinzulu
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I-API etywiniweyo yecone bit yokomba i-IADC217 5 7/8 intshi (149.2mm)
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Amasuntswana okomba ajikelezayo IADC217 6 intshi (152mm)
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I-API icolile izinyo ezintathu ii-cones bits IADC217 7.5 intshi (190mm) kwisitokhwe
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I-API yeoli yentsimbi yezinyo ibits IADC217 8.5 intshi (215mm) yokomba amatye
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API bits umboneleli IADC217 8 3/4 intshi (222.2mm)
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Amasuntswana okomba anzulu IADC217 11 5/8 intshi (295.3mm) kwilitye eliqinileyo
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API Mill izinyo bits IADC217 12 1/4 intshi (311mm) yokomba umthombo