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API TCI tricone rock drilling bit IADC417 6″(152mm) for hard well
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API well drilling bit IADC417 12 1/4″(311mm) for hard rock
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API tricone drill bit IADC437 6″(152mm) for well drilling
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TCI tricone bit IADC437 12 1/4″ (311mm) for well drilling
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API factory of rock roller cones bits IADC437 8.5″ for drilling
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Rotary drill bit IADC447 6.5 inches (165mm)
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API Rotary roller drill bit IADC517 4.5 inches (114mm) in stock
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Button bit IADC517 118mm for geothermal well rock drilling.
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API factory of rotary roller bit IADC517 4 3/4″ (120mm)
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API rotary button sealed bits IADC517 5 1/4″ (133mm) in stock
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Tungsten Carbide Insert rock drilling bit IADC517 5 7/8″ (149mm)
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API Well drilling tricone bit IADC517 6″(152.4mm) for sale