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Tricone yo kugurisha byinshi IADC117 6 1/4 santimetero (159mm)
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Tricone bits igiciro IADC117 9 7/8 santimetero (250mm)
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Gura tricone bits IADC117 12 1/4 santimetero (311mm)
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Tricone bits ikora IADC117 6 3/4 santimetero (171mm)
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Tricone yihariye bits IADC117 13 santimetero 5/8 (346mm)
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Ubushinwa buracukura neza bits IADC117 17.5 santimetero (444.5mm)
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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