High-quality Drill Bits from China

This type of Bi-center bit mainly used for medium to medium hard compressive and abrasive formation.

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

GREAT customized made Diamond core bits ,which including Matrix body and Steel body.

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