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              3 cones roller bits IADC127 11 5/8 ” (295mm)
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              Deep well drilling bits IADC127 13 5/8 ” (346mm) in stock
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              Customizedl well drilling bits IADC127 14 3/4 ” (374mm)
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              Wholesale tricone bits IADC127 17.5 inches (444.5mm)
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              Tricone rock bits IADC137 6 inches (152mm) for well drilling
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              API tricone drilling bit IADC215 8.5 inches (215.9mm) for sale
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              API Tricone rock bits IADC215 12 1/4 ” (311mm) with discounted price
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              API drill bits factory IADC216 4.5 inches (114mm)
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              Roller cones bits supplier IADC216 5 5/8 inches (143mm)
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              Sealed roller bits IADC216 5 7/8inches (149mm)
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              Milled tooth bits IADC216 6.5 inches (165mm) for well drilling
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              Tricone bits in stock IADC216 6 3/4 inches (171mm)
