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Low price drilling bits IADC217 14 3/4 inches (374mm) for hard rock
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wholesale drilling bits IADC217 17.5 inches (444.5mm)
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Tricone drill bits IADC114 15.5 inches( 394mm) in stock
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Steel tooth tricone bit factory IADC114 17.5 inches(444.5mm)
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Cement plug drilling bits IADC127 4 3/4 inches (120mm)
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API customized drill bits IADC126 5 1/4 inches (133mm) for hard rock
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Mill tooth bits for well drilling IADC215 17.5 inches (444.5mm)
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API tricone drill bits price IADC216 4 5/8 inches (118mm)
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Deep well tricone bits IADC216 6 inches (152mm)
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API drilling rig bits supplier IADC216 5 3/4 inches (146mm)
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API triocne drilling IADC125 17 1/2 inches (444.5mm)
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API well drilling head IADC126 7 1/2 inches (190.5mm)