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ʻO ka pahu pahu pahu pahu ʻōwili IADC637 4 5/8″ (118mm)
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Tricone roller bit IADC637 4 3/4″ (120mm) no ka wili pōhaku paakiki
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Puka niho tricone pōpō IADC637 5.5″ (140mm)
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ʻO ka hale hana API o TCI tricone biit IADC637 6 "(152.4mm) i ka waihona
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API TCI tricone pōhaku bit IADC637 6 3/4″ (171.4mm)
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Kumukuai bit Tricone API IADC637 8 1/2 ” (215.9mm)
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Puka wili puʻupuʻu IADC617 12 1/4 iniha (311mm)
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API tricone drill bits mea hana IADC637 12 1/4” (311.1mm)
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Bit hoʻopaʻa ʻia metala IADC637 14 3/4 ” (374.6mm) no ka luawai hohonu
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ʻEkolu cones bit IADC637 17 1/2 ” (444.5mm)
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Mea hoʻolako ʻo Tricone bits IADC637 6.5 iniha (165mm) no ka pōhaku paʻa
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Nā ʻāpana huila Rotary IADC637 9 7/8 ” (250.8mm)