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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
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I-Rotary Button Bit IADC537 3 7/8″ (98mm)
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Amabhithi okubhoboza eTricone IADC537 4 3/4″ (120.6mm)
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I-API tricone drill bit IADC537 14 3/4″ (374mm) yedwala eliqinile
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I-Roller cone drill biit IADC637 4 5/8″ (118mm)
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Amabhithi eTricone IADC537 4 5/8″ (118mm)
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I-API tricone rock bit IADC537 5 1/4″ (133mm)
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I-API rock drill bit IADC537 5 1/2” (139.7 mm) yomthombo oqinile