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Pabrika ng API ng TCI tricone biit IADC637 6 "(152.4mm) sa stock
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API TCI tricone rock bit IADC637 6 3/4″ (171.4mm)
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API Tricone bit na presyo IADC637 8 1/2 ” (215.9mm)
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Rotary button drill bit IADC617 12 1/4 pulgada (311mm)
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Tagagawa ng API tricone drill bits IADC637 12 1/4 ” (311.1mm)
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Metal sealed drill bit IADC637 14 3/4 ” (374.6mm) para sa malalim na balon
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Tatlong cone bit IADC637 17 1/2 ” (444.5mm)
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Supplier ng Tricone bits IADC637 6.5 inches (165mm) para sa hard rock
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Rotary roller bits IADC637 9 7/8 ” (250.8mm)
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TCI tricone bit IADC417 17.5″(444.5mm)
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Tricone rock bit IADC417 8 1/2″(215.9mm)
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TCI tricone bit IADC447 8 1/2 pulgada (215.9mm)