Great PDC bits and Tricone Rock bits hole openers PDC reamers

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

Tricone bit is an important tool for oil drilling.

Overview 120 ° U-shaped Roller bitGREAT has customized manufacture several types of roller bit . The traditional roller bit was cut by tricone bit . So it is including No.1 ,No.2, No.3 Cone cutters ....

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