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API bouton fè egzèsis ti jan IADC517 17 1/2″ (444.5mm)
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Steel Tooth Bits IADC117 3 7/8 pous (98.4mm)
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API byen perçage tèt IADC117 4 5/8 pous (117.5mm) pou mare
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API Tricone Bits founisè IADC117 5 7/8 pous (149mm)
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API Tricone fè egzèsis Bits IADC111 15.5 pous (394mm) nan stock
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API drill bits founisè IADC117 8 3/4 pous (222mm) pou perçage byen
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API freze dan tricone drill bits IADC114 12 1/4 "(311mm)
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Tricone drill bits IADC117 7.5 pous (190mm) pou byen wòch difisil
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Bits wòch trikon IADC117 7 7/8 pous (200mm)
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API faktori nan dan asye trikon Bits IADC117 6 pous (152mm)
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API Rotary roulo Bits IADC117 9.5 pous (241mm) nan stock
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Faktori API nan moso wòch trikon IADC117 8 1/2 pous (216mm)