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Kiwanda cha kuchimba visima kizima IADC127 inchi 6 1/4 (158.8mm)
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Mtoaji wa biti za Tricone IADC127 inchi 7.5 (190mm)
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Vipande vya kuchimba visima vya API IADC127 inchi 8 1/2 (215mm) kwa mwamba mgumu
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Vipande vya Tricone vipo IADC127 inchi 8 3/4 (222mm)
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Vipande vya meno vya kinu cha API vipo IADC127 inchi 9.5 (241mm)
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Vipande vya kuchimba visima vya kina kirefu IADC127 13 5/8” (346mm) vipo
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Vipande vya kuchimba visima vya saruji IADC127 inchi 4 3/4 (120mm)
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Kijiti cha kuchimba kisima IADC127 inchi 3 7/8 (98.4mm)
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Mtengenezaji wa vipande vya Tricone IADC127 Inchi 4 9/16 (115.9mm)
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Uchimbaji wa API tricone IADC127 inchi 4 5/8 (118mm) unauzwa
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Kiwanda cha kutengeneza biti za Tricone IADC127 inchi 5 7/8 (149mm) kwa ajili ya kuchimba visima vigumu
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Kiwanda cha biti zilizofungwa IADC127 inchi 6 (152mm)