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Ifektri ye-API drill bts IADC126 4 3/4 amayintshi (120mm)
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I-API Ama-bits amakhoni amathathu i-IADC126 angu-4 5/8 amayintshi (118mm) okubhoboza umthombo
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Ama-drill bits e-API enziwe ngokwezifiso i-IADC126 amasentimitha angu-5 1/4 (133mm) e-hard rock
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Amabhithi e-Tricone okubhoboza umthombo asesitokweni IADC126 6inches (152mm)
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I-API Tricone drill bit IADC126 9.5 inches (241mm) iyathengiswa
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I-Bit yokubhoboza umthombo i-IADC127 3 7/8″ amayintshi (98.4mm)
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Umkhiqizi wamabhithi e-Tricone IADC127 4 9/16 amayintshi (115.9mm)
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Ukubhoboza i-API tricone IADC127 4 5/8 inches (118mm) kuyathengiswa
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Ifektri ye-Tricone bits IADC127 5 7/8 inches (149mm) yokubhoboza umthombo oqinile
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Ifektri yebhithi ezivaliwe i-IADC127 6 inches (152mm)
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Amabhithi okubhoboza asesitokweni IADC127 7 7/8 inches (200mm)
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Amabhithi e-tricone anesaphulelo i-IADC127 9 5/8” (244.5mm)