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Wopereka ma roller cones bits IADC216 mainchesi 5 5/8 (143mm)
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Ma biti ozungulira otsekedwa IADC216 5 7/8 mainchesi (149mm)
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Ma Tricone bits alipo IADC216 mainchesi 6 3/4 (171mm)
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Rotary dill bit IADC216 mainchesi 7 7/8 (200mm)
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Wopereka ma Rotary bits IADC216 mainchesi 10 5/8 (269mm)
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Gulani zinthu zobowolera IADC216 17.5″ (444.5mm)
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Mtengo wa API tricone drill bits IADC216 mainchesi 4 5/8 (118mm)
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Zidutswa za tricone za chitsime chakuya IADC216 mainchesi 6 (152mm)
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Diamond tricone bit IADC216 mainchesi 7.5 (190mm)
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Fakitale ya Tricone bits IADC216 9 7/8inches (250.8mm)
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Fakitale ya API drill bits IADC216 mainchesi 4.5 (114mm)
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Wopereka zida zobowolera za API IADC216 mainchesi 5 3/4 (146mm)