High-quality Drill Bits from China

Steel body PDC bit is made by AISI 4145H heat treatment steel manufacture, it has lower cost compare with Matrix body PDC bit.

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 DRILL BITS can be customized and supply various sizes , type downhole motor according to the drilling demand.

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