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