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API drill bits fekitori IADC216 4.5 inches (114mm)
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Roller cones bits mutengesi IADC216 5 5/8 inches (143mm)
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Akavharwa mabhiti anomonereka IADC216 5 7/8inches (149mm)
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Milled tooth bits IADC216 6.5 inches (165mm) yekuchera mutsime
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Tricone bits mustock IADC216 6 3/4 inches (171mm)
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API tricone drilling IADC216 7 5/8 inches (194mm) yeoiri rig
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Rotary dill bit IADC216 7 7/8 inches (200mm)
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Rotary bits mutengesi IADC216 10 5/8 inches (269mm)
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Tenga mabhiti ekuchera IADC216 17.5″ (444.5mm)
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API tricone drill bits mutengo IADC216 4 5/8 inches (118mm)
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Yakadzika tsime tricone bits IADC216 6 inches (152mm)
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API drilling rig bits supplier IADC216 5 3/4 inches (146mm)