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Nibyiza gucukura umutwe IADC126 3 7/8 santimetero (98.4mm) kubutare bukomeye
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Urusyo rwinyo rutanga ibikoresho IADC126 santimetero 4.5 (114mm)
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API drill bts uruganda IADC126 4 3/4 santimetero (120mm)
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API Imirongo itatu bits IADC126 4 5/8 santimetero (118mm) yo gucukura neza
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Tricone bits yo gucukura neza mububiko IADC126 6inches (152mm)
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API Tricone drill bit IADC126 9.5 cm (241mm) kugurisha
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Nibyiza gucukura ruganda biti uruganda IADC126 17 1/2 santimetero (444.5mm)
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Uruganda rwa Tricone bit IADC126 santimetero 26 (660mm)
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API yihariye imyitozo ya bits IADC126 5 1/4 santimetero (133mm) kubutare bukomeye
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API gucukura neza IADC126 7 1/2 santimetero (190.5mm)
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Ikidodo gifunze bts IADC126 9 7/8 santimetero (250mm)
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Tricone drill bits itanga IADC126 12 1/4 santimetero (311mm) yo gucukura neza