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TCI bits1. Soft formations(417,437,517,537)
Features large chisel-shaped inserts to provide the highest penetration rate in the softest formations such as shales, clays, limestone and sands.
2. Soft to medium formations(617,637)t to MediusDesigned to drill effectively in formations such as hard limestone, dolomite, hard sands, and other formations with hard cherty.
3. Medium to hard formations(737)
For extremely hard formations such as chert, granite, flint, and taconite. Features short, closely-spaced inserts to ensure maximum penetration rate and wear resistance.
The size ranging from 3" to 17 1/2" ,of various type as per IADC code which is a drilling tool used for oilwell, water well & coal mines exploration.
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