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Tricone Roller Bits IADC517 9.5 pulzieri (241mm)
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Triconi rotanti Bits IADC517 9 7/8″ (250mm) għal blat iebes
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Tliet koni blat bit IADC517 10 5/8″ (269mm)
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Bit blat li jdur IADC517 11 5/8″ (295mm)
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Bit trikoni li jdur IADC517 12 1/4″ (311mm)
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Tliet koni bit IADC517 13 5/8″ (346mm)
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API button drill bit IADC517 17 1/2″ (444.5mm)