Carbide Insert Rock Drilling Tools for Water Well Drilling

IADC roller-cone bit classification method

The IADC Roller-Cone Bit Classification Method is an industry-wide standard for the description of milled-tooth and insert-type roller-cone bits.

This coding system is based on key design- and application-related criteria.

The currently used version was introduced in 1992 and incorporates criteria cooperatively developed by drill bit manufacturers under the auspices of the Society of Petroleum Engineers.

• Adopt high strength and high wear resistance carbide inserts.
• New journal bearing structure greatly prolongs the working life of the bearing, and has the ability to withstand medium bit pressure and adapt to high speed.
• The improved performance of the new fluorinated rubber seal ring makes it more suitable for the working environment and service parameters of drill bits
• Adopt new sealing structure to match the bearing structure, which greatly improves the service life of drill bit
• T feature, between the outer rows and cone back rows inserted a protection row carbide inserts.
• K feature, the inner row adopts wide-topped spoon insert, which increases the cutting width of the insert and improves the drilling efficiency.

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