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API factory of TCI tricone bit IADC617 5 5/8″ (142.9mm)
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API rotary tricone bit IADC617 6 ” (152mm) for well drilling
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Tricone rock bit IADC617 8 1/2″ (215.9mm) for well drilling
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API manufacturer of tricone rock bit IADC617 9 7/8 inches” (250mm)
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API factory of tricone roller bit IADC617 12 1/4 inches (311.1mm)
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API factory of rock drilling bits IADC617 17 1/2 inches (444.5mm) in stock
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TCI tricone bit IADC617 6 1/2″ (165mm) for drilling rig