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I-roller cone drill biit IADC637 4 5/8″ (118mm)
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Tricone roller bit IADC637 4 3/4″ (120mm) yokomba amatye aqinileyo
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Ibhit yezinyo lebhola IADC637 5.5″ (140mm)
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Umzi-mveliso we-API we-TCI i-tricone biit IADC637 6 “(152.4mm) kwisitokhwe
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API TCI trione rock bit IADC637 6 3/4″ (171.4mm)
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API Tricone bit ixabiso IADC637 8 1/2 ” (215.9mm)
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Rotary iqhosha drill bit IADC617 12 1/4 intshi (311mm)
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API trione drill amasuntswana omenzi IADC637 12 1/4 ” (311.1mm)
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I-Metal etywiniweyo yokomba bit IADC637 14 3/4 ” (374.6mm) kwiqula elinzulu
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Iicones ezintathu zincinci IADC637 17 1/2 ” (444.5mm)
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8 1/2 intshi PDC Drill Bits OEM Factory
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API 8 1/2 Intshi Polycrystalline Diamond Drill Bits