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Ibice bitatu bits uruganda IADC217 3 7/8 santimetero (98mm)
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Tricone bits IADC217 santimetero 4,5 (114mm) yo gucukura neza amabuye
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API ifunze roller cone bito yo gucukura IADC217 5 7/8 santimetero (149.2mm)
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Gucukura rotary bits IADC217 santimetero 6 (152mm)
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API yasya amenyo cones eshatu bits IADC217 7.5 santimetero (190mm) mububiko
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API amenyo yicyuma amenyo IADC217 8.5 santimetero (215mm) yo gucukura amabuye
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API itanga isoko IADC217 8 3/4 santimetero (222.2mm)
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Gucukura neza cyane IADC217 11 5/8 santimetero (295.3mm) kubutare bukomeye
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API Urusyo rwinyo IADC217 12 1/4 santimetero (311mm) yo gucukura neza
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Igiciro gito cyo gucukura bits IADC217 14 3/4 santimetero (374mm) kubutare bukomeye
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gucukura byinshi bits IADC217 17.5 santimetero (444.5mm)