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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)
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Ikhanda elijikelezayo le-rig IADC127 9 7/8” (250.8mm)
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Ama-roller bits amakhoni amathathu IADC127 11 5/8” (295mm)
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Izingcezu zokubhoboza imithombo ejulile IADC127 12 1/4 ” (311mm)
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Amabhithi okubhoboza imithombo enziwe ngokwezifiso i-IADC127 14 3/4” (374mm)
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Amabhithi e-tricone athengiswa ngobuningi IADC127 angu-17.5 amayintshi (444.5mm)