Normally drag bits are 3 wings, but we can make 4 or 5 wings following your drawings or samples.

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

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.