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Three cones bits factory IADC217 3 7/8 inches (98mm)
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Tricone bits IADC217 4.5 inches (114mm) for deep rock well drilling
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API sealed roller cone bit for drilling IADC217 5 7/8 inches (149.2mm)
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Rotary drilling bits IADC217 6 inches (152mm)
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API milled tooth three cones bits IADC217 7.5 inches (190mm) in stock
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API oil steel tooth bits IADC217 8.5 inches (215mm) for rock drilling
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API bits supplier IADC217 8 3/4 inches (222.2mm)
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Deep well drilling bits IADC217 11 5/8 inches (295.3mm) for hard rock
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API Mill tooth bits IADC217 12 1/4 inches (311mm) for well drilling
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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)