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Mofani oa API oa li-bits tsa ho cheka liliba tsa majoe a tebileng IADC537 9 5/8″(244.5mm)
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Konopo ea API TCI IADC537 9 7/8″(250mm) bakeng sa ho cheka seliba sa lefika le thata
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Karolo ea lefika la Tricone IADC417 8 1/2″(215.9mm)
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Fektheri ea API ea TCI tricone bit IADC617 5 5/8″ (142.9mm)
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TCI tricone bit IADC417 17.5″(444.5mm)
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Karolo ea ho cheka seliba sa API IADC417 12 1/4″(311mm) bakeng sa lefika le thata
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Feme ea API ea li-rock roller cones bits IADC437 8.5″ bakeng sa ho cheka
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Karolo ea ho phunya ea API tricone IADC437 6″(152mm) bakeng sa ho phunya seliba
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TCI tricone bit IADC447 8 1/2 inches (215.9mm)
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Karolo ea ho phunya e potolohang IADC447 lisenthimithara tse 6.5 (165mm)
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Likhoune tse tharo tsa lefika IADC517 10 5/8″ (269mm)
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Li-Rotary tricone Bits IADC517 9 7/8″ (250mm) bakeng sa lefika le thata