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Ngwakọta mmanụ API tricone IADC216 7 5/8 inch (194mm) maka igwe mmanụ
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Mbibi cone atọ nke ụlọ ọrụ mmepụta ihe IADC217 3 7/8 inch (98mm)
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Ngwugwu ihe eji agbagharị agbagharị nke a na-akpọ Rotary IADC217 sentimita isii (152mm)
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Ezé API e ji ihe dị ka cone atọ mee, IADC217 7.5 inch (190mm) dị na ngwaahịa
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Mpekere ezé API nke ígwè mmanụ IADC217 8.5 sentimita asatọ (215mm) maka igwu nkume
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Ibe olulu mmiri miri emi IADC217 11 5/8 inch (295.3mm) maka nkume siri ike
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Mpekere ezé API Mill IADC217 12 1/4 inch (311mm) maka igwu olulu mmiri
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Obere ọnụ ala nke IADC217 14 3/4 inch (374mm) maka nkume siri ike