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Deep well drilling bits IADC127 13 5/8 ” (346mm) sa stock
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Customizedl well drilling bits IADC127 14 3/4 ” (374mm)
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Mga pakyawan na tricone bits IADC127 17.5 pulgada (444.5mm)
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Tricone rock bits IADC137 6 inches (152mm) para sa well drilling
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API tricone drilling bit IADC215 8.5 inches (215.9mm) para sa pagbebenta
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API Tricone rock bits IADC215 12 1/4 ” (311mm) na may diskwentong presyo
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Pabrika ng API drill bits IADC216 4.5 pulgada (114mm)
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Tagatustos ng roller cones bits IADC216 5 5/8 pulgada (143mm)
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Mga selyadong roller bits IADC216 5 7/8inches (149mm)
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Milled tooth bits IADC216 6.5 inches (165mm) para sa well drilling
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Mga tricone bit sa stock IADC216 6 3/4 pulgada (171mm)
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API tricone drilling IADC216 7 5/8 inches (194mm) para sa oil rig