Tricone bit - Superdrill, Rock Tools, DTH hammer &
IADC Codes - Tricone Rock Bits. IADC Codes are designed to make it easier for drillers to describe what kind of rock bit they are looking for to the supplier. Such as 12 1/4 ” IADC617, The first three digits classify the bit according to the formation it is designed to drill and the bearing/seal design used.
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