New technology PDC bits in the oilfield2019/10/30As one of the professional oil drill bit manufacturers in China, Great now presents you with our latest PDC drill bit for oil fields. These oilfield bits can carry out high-efficiency drilling with st...TY_VIEWS
PDC Hole Openers, are used to enlarge the pilot hole in Horizontal Directional Drilling(HDD).Widely used in construction, bridge, highway and railway construction.
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 ....