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Umthengisi wee-roller cones bits IADC216 5 5/8 intshi (143mm)
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Iibhithi zerola ezivaliweyo IADC216 5 7/8inches (149mm)
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Iibhithi zeTricone zisesitokhweni IADC216 6 3/4 intshi (171mm)
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I-Rotary dill bit IADC216 7 7/8 intshi (200mm)
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Umthengisi weebhithi zeRotary IADC216 10 5/8 intshi (269mm)
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Thenga iibhithi zokubhola i-IADC216 17.5″ (444.5mm)
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Ixabiso le-API tricone drill bits IADC216 4 5/8 intshi (118mm)
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Iibhithi ze-tricone ze-deep well IADC216 6 inches (152mm)
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I-Diamond tricone bit IADC216 7.5 intshi (190mm)
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Ifektri yeebhithi zeTricone IADC216 9 7/8inches (250.8mm)
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Ifektri ye-API drill bits IADC216 4.5 intshi (114mm)
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Umthengisi weebhithi ze-API zokubhola ii-rig IADC216 5 3/4 intshi (146mm)