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Tricone Woulo Bits IADC517 9.5 pous (241mm)
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Rotary tricone Bits IADC517 9 7/8″ (250mm) pou wòch difisil
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Twa kòn wòch bit IADC517 10 5/8″ (269mm)
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Rotary wòch ti jan IADC517 11 5/8″ (295mm)
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Rotary tricone ti jan IADC517 12 1/4″ (311mm)
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Twa kòn ti jan IADC517 13 5/8″ (346mm)
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API bouton fè egzèsis ti jan IADC517 17 1/2″ (444.5mm)