Roller Bit-Conventional（YX-2）
The classic 1st generation leg design last more than 100 years from Baker Hughes USA. The latest 3rd generation cone with full clothed random inserts, more than 2.3 inserts applying in one cone. You can expect the monster performance from this design.
Specification:
1.Size:8-1/2″
1.Insert Shape: Chisel, Conical, Ballistic, Spheral
1.IADC: 517,537, 617, 637
1.Formation: 100-300 Mpa, Granite and other hard rock formation
Right inserts for right rock
Covers all types of rock from your specially project
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