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Ama-cones amathathu e-rock bit IADC517 10 5/8″ (269mm)
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Ama-Rotary tricone Bits IADC517 9 7/8″ (250mm) e-hard rock
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Ama-Tricone Roller Bits IADC517 9.5 amayintshi (241mm)
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I-Deep Well Tricone Bit IADC517 7 7/8 amayintshi (200mm)
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Izinkinobho ze-TCI ezivaliwe ze-IADC517 6 1/2″ (165mm) zokubhoboza umthombo
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Amabhithi okubhoboza e-Tricone roller IADC517 6 1/4″ (159mm)
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Amabhithi avaliwe enkinobho ejikelezayo ye-API i-IADC517 5 1/4″ (133mm) asesitokweni