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Onye na-eweta obere ihe mkpuchi IADC216 5 5/8 inch (143mm)
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Mpekere rola emechiri emechi IADC216 5 7/8inches (149mm)
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Nkeji Tricone dị na ngwaahịa IADC216 6 3/4 inch (171mm)
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Obere ihe e ji agbagharị agbagharị IADC216 7 7/8 inch (200mm)
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Onye na-enye obere ihe ntụgharị IADC216 10 5/8 inch (269mm)
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Zụta obere ihe ndị e ji egwupụta ihe IADC216 17.5″ (444.5mm)
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Tricone bits IADC217 4.5 inch (114mm) maka igwu olulu mmiri miri emi n'okwute
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Ihe mkpuchi eriri akpa API maka ịgba IADC217 5 7/8 inch (149.2mm)
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Onye na-enye API bits IADC217 8 3/4 inch (222.2mm)
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Mpekere mkpọpu ala n'ogbe IADC217 sentimita 17.5 (444.5mm)
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Ụlọ ọrụ mmepụta ihe nha nha tricone ígwè nke IADC114 17.5 sentimita (444.5mm)
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Ibe mkpọpu simenti IADC127 4 3/4 inch (120mm)