tci roller bit, cone bit,steel tooth roller bit
certified by ISO9001&API
Reliable bearing system
all teeth are harden
Condition : 100% New
IADC code : 637
Seal type : Metallic seal
Bearing type : Sealed Journal bearing
Nozzle quantity and nozzle cap size : three nozzle and the size is 45mm
Connection joint Pin size 7-5/8"
The exact size of the bit is 660mm
Detailed same Real photos : Attachments
Warranty : life hours is 200h and the meter is 1000m