TCI Tricone Bit 5 7/8 ” 149.2mm
Material: tungsten carbide insert rock roller tricone bit
Bearing type: rubber sealed journal bearing
Thread: 31/2″ API Reg. pin
WOB: 0.50~1.05KN/mm
RPM: 120~50r/min
Application formation: soft with low compressive strength and high drillability, such as shale, clay, sandstone and soft limestone, etc
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