Process of Great Rock Reamer-Robot Welding

PDC Hole Openers, are used to enlarge the pilot hole in Horizontal Directional Drilling(HDD).Widely used in construction, bridge, highway and railway construction.

This is a 7 blade Matrix body PDC bit , with Stinger cutters back row, used for very abrasive formation.

Hybrid drill bit conventional PDC and roller-cone bits. It is saving cost, Improves Drilling Efficiency.

Tricone bit is an important tool for oil drilling.