We are offering tci tricone bit,
sizes range from 3 78'' to 36 inch
iadc codes from 114 to 837
brands we dealt include kingdream, chuanshi, lilin, smith, hughes, varel
type: tungsten carbide insert tricone bit or steel tooth tricone bit
application: hard formation for oil well drilling
bearing: journal bearing
seal: rubber seal
reg pin: 4 12''
contact for more info.