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Three cones rock bit IADC517 10 5/8″ (269mm)
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Rotary tricone Bits IADC517 9 7/8″ (250mm) for hard rock
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Tricone Roller Bits IADC517 9.5 inches (241mm)
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Deep Well Tricone Bit IADC517 7 7/8 inches (200mm)
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TCI sealed rock button bits IADC517 6 1/2″ (165mm) for well drilling
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Tricone roller drill bits IADC517 6 1/4″ (159mm)
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API rotary button sealed bits IADC517 5 1/4″ (133mm) in stock