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API TCI tricone gucukura biti IADC417 6 ″ (152mm) kugirango iriba neza
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API gucukura neza biti IADC417 12 1/4 ″ (311mm) kubutare bukomeye
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API tricone drill bit IADC437 6 ″ (152mm) yo gucukura neza
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TCI tricone bit IADC437 12 1/4 ″ (311mm) yo gucukura neza
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Uruganda rwa API rwa rock roller cones bits IADC437 8.5 ″ yo gucukura
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Imyitozo ya rotary bit IADC447 6.5 santimetero (165mm)
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API Rotary roller drill bit IADC517 4.5 santimetero (114mm) mububiko
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Button bit IADC517 118mm yo gucukura amabuye ya geothermal.
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Uruganda rwa API ruzunguruka ruzunguruka bit IADC517 4 3/4 ″ (120mm)
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API izunguruka ya buto ifunze bits IADC517 5 1/4 ″ (133mm) mububiko
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Tungsten Carbide Shyiramo gucukura amabuye biti IADC517 5 7/8 ″ (149mm)
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API Nibyiza gucukura tricone bit IADC517 6 ″ (152.4mm) kugurisha