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Onye na-enye API tricone bit IADC117 5 7/8 inch (149mm)
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Zụta obere tricone IADC117 12 1/4 inch (311mm)
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Ezé ígwè IADC117 sentimita 3 7/8 (98.4mm)
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Isi ọkpọkọ olulu mmiri API IADC117 4 5/8 sentimita asatọ (117.5mm) maka rig
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Ụlọ ọrụ API nke ígwè tricone bits IADC117 6 inch (152mm)
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Bits tricone nke a na-ere n'ogbe IADC117 6 1/4 inch (159mm)
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Ndị na-emepụta obere ihe Tricone IADC117 6 3/4 sentimita asatọ (171mm)
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Mbido igwe eji egwu mmiri Tricone IADC117 7.5 sentimita asatọ (190mm) maka olulu nkume siri ike
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Akụkụ nkume Tricone IADC117 7 7/8 sentimita asatọ (200mm)
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Ụlọ ọrụ API nke tricone rock bits IADC117 8 1/2 inch (216mm)
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Onye na-enye API drill bit IADC117 8 3/4 inch (222mm) maka igwu olulu mmiri
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Ngwakọta ihe eji agbagharị agbagharị API IADC117 9.5 inch (241mm) dị na ngwaahịa