Steel Tooth Tricone drill bits

IADC: 127  217  237 137  135

13 1/2″ TCI Tricone drill bits

Material: tungsten carbide insert rock roller tricone bit

Bearing type: rubber sealed journal bearing

Thread: 6 5/8″ API Reg. pin

WOB: 0.50~1.05 KN /mm

RPM: 115~50 r /min