Application:for core barrel (bucket ) ,Construction,Foundation,Piling ,infrastructure,HDD (horizontal direction drilling) hole opener,reamer bit
Size: 8 1/2inch ,IADC CODE 637
Bearing:sealed bearing
New Types of Foundation roller cones for piling work
1) Premium tungsten carbide tooth
2) Smooth greese system
3) Special design for core barrel (Foundation &piling work) for different drilling formation.
4)Increased stability &Consitent bit performance