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              Steel Tooth Bits IADC117 3 7/8 inches (98.4mm)
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              API well drilling head IADC117 4 5/8 inches (117.5mm) for rig
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              API tricone bits supplier IADC117 5 7/8 inches (149mm)
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              API Tricone drill bits IADC111 15.5 inches( 394mm) in stock
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              API drill bits supplier IADC117 8 3/4 inches (222mm) for well drilling
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              API milled tooth tricone drill bits IADC114 12 1/4″(311mm)
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              Tricone drill bits IADC117 7.5 inches (190mm) for hard rock well
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              Tricone rock bits IADC117 7 7/8 inches (200mm)
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              API factory of steel tooth tricone bits IADC117 6 inches (152mm)
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              API Rotary roller bits IADC117 9.5 inches (241mm) in stock
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              API factory of tricone rock drill bits IADC117 8 1/2 inches (216mm)
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              Wholesale tricone bits IADC117 6 1/4 inches (159mm)
