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Tricone Roller Bits IADC517 9,5 tommer (241 mm)
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Roterende tricone bits IADC517 9 7/8" (250 mm) til hård rock
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Tre kegler stenbit IADC517 10 5/8" (269 mm)
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Roterende stenbit IADC517 11 5/8" (295 mm)
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Roterende tricone bit IADC517 12 1/4" (311 mm)
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Tre kegler bit IADC517 13 5/8" (346 mm)
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API-knapbor IADC517 17 1/2" (444,5 mm)