Tricone Drill Bits - ProDrill - Rock drilling tools,DTH ...
12-1/4' IADC 437 Tricone Roller Bit with Tungsten Carbide Inserts. Tungsten carbide insert bit, TCI bit, button bit Sizes range from 3 7/8″ to 26″ . Reliable bearing and lubrication system. ×. Send Enquiry for 12-1/4' IADC 437 Tricone Roller Bit with …
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