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Umhlinzeki we-API tricone bits IADC117 5 7/8 inches (149mm)
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Thenga ama-tricone bits IADC117 angu-12 1/4 amayintshi (311mm)
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Amabhithi Ezinyo Ensimbi IADC117 3 7/8 amayintshi (98.4mm)
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Ikhanda lokubhoboza umthombo we-API i-IADC117 4 5/8 amayintshi (117.5mm) we-rig
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Ifektri ye-API yezinyo lensimbi i-tricone bits IADC117 6 inches (152mm)
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Amabhithi e-tricone athengiswa ngobuningi IADC117 6 1/4 amayintshi (159mm)
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Abakhiqizi be-Tricone bits IADC117 6 3/4 amayintshi (171mm)
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Amabhithi okubhoboza e-Tricone IADC117 angu-7.5 inches (190mm) omthombo wedwala eliqinile
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Ama-tricone rock bits IADC117 7 7/8 amayintshi (200mm)
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Ifektri ye-API yama-bits okubhola amatshe e-tricone IADC117 8 1/2 inches (216mm)
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Umhlinzeki wama-API drill bits IADC117 8 3/4 amayintshi (222mm) okubhoboza umthombo
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Ama-roller bits e-API Rotary IADC117 angu-9.5 inches (241mm) esitokweni