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API Rotary roller drill bit IADC517 4.5 inches (114mm) wà ní ìpamọ́
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Bọtini bit IADC517 118mm fun iho apata geothermal kanga.
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Ilé iṣẹ́ API ti bit roller rotary IADC517 4 3/4″ (120mm)
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Tungsten Carbide Fi ihò àpáta sínú IADC517 5 7/8″ (149mm)
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Bit tricone liluho API IADC517 6″(152.4mm) fun tita
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Bẹ́ẹ̀tì tricone TCI IADC517 7 1/2″ (190mm)
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API Tricone Bit IADC517 8.5 inches (215.90mm)
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API Tricone liluho bit IADC517 8 3/4 inches (222mm) wa ninu iṣura
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Bẹ́ẹ̀tì apata Rotary IADC517 11 5/8″ (295mm)
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Ẹ̀rọ tricone Rotary IADC517 12 1/4″ (311mm)
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Àwọn kọ́nọ́sì mẹ́ta IADC517 13 5/8″ (346mm)
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Bọ́tìnì API IADC517 17 1/2″ (444.5mm)