High-quality Drill Bits from China

Popular Size: 1305, 1308,1613,1616,1913

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

RC PDC bit from GREAT are manufactured from AISI 4145H heat-treated steel.

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