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Customizedl gucukura neza bits IADC127 14 3/4 ”(374mm)
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Ibicuruzwa byinshi bya tricone bits IADC127 17.5 santimetero (444.5mm)
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Gucukura isima ya sima bits IADC127 4 3/4 santimetero (120mm)
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Bit yo gucukura neza IADC127 3 7/8 ″ santimetero (98.4mm)
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Gucukura API tricone IADC127 4 5/8 santimetero (118mm) kugurisha
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Uruganda rwa bits rufunze IADC127 santimetero 6 (152mm)
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Gucukura neza cyane IADC127 12 1/4 ”(311mm)