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Li-drill bits tsa API IADC537 5 5/8″ (142.9mm)
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Li-drill bits tsa tungsten carbide tse lebelo le phahameng IADC537 5 7/8″ (149mm)
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Likotoana tsa lefika la Tricone IADC537 6 inches (152.4 mm)
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Karolo ea tricone e potolohang IADC537 lisenthimithara tse 6 1/4 (159 mm)
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Likotoana tsa lefika la TCI tricone IADC537 6 3/4″ (171mm)
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Konopo ea API IADC537 6.5 inches (165mm) ka theko e theotsoeng
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Karolo ea lefika ea TCI IADC537 7 1/2” (190 mm)
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Bit ea tricone ea fektheri ea API IADC537 7 5/8 ” (193.7 mm)
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TCI tricone bit IADC537 7 7/8 inches (200 mm)
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Tungsten Carbide Insert Bit IADC537 8 1/2″(215.9mm)
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Sebaka sa ho phunya konopo sa API IADC537 8 3/4″(222.2mm) ka theko e theotsoeng
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Karolo ea ho phunya ea TCI IADC537 9 1/2″(241mm) bakeng sa seliba sa oli sa lefika le thata