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Sele pote egzèsis bts IADC126 9 7/8 pous (250mm)
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Tricone drill bits founisè IADC126 12 1/4 pous (311mm) pou byen perçage
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Bit pou perçage byen IADC127 3 7/8″ pous (98.4mm)
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API tricone perçage IADC127 4 5/8 pous (118mm) pou vann
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Sealed Bits faktori IADC127 6 pous (152mm)
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Bits perçage byen fon IADC127 12 1/4 "(311mm)
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Diamond tricone ti jan IADC216 7.5 pous (190mm)
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Tricone Bits faktori IADC216 9 7/8 pous (250.8mm)