GR417GX
1.Composite seal:
The overall service life of the composite seal drill bit is 20%-50%longer than
rubber seal drill bit.
The composite seal drill bit can be used in conjunction with the motor.
2.Chisel Insert:
The main cutters are Chisel tooth,effectively improves the rock breaking
efficiency of the cone and increases the strength of the teeth,is suitable for
drilling in medium soft to medium hard formations.