GREAT's High-quality Bits Series I

Tricone bit is an important tool for oil drilling.

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

Matrix body PDC bit is made by Tungsten carbide podwer , it is very high hardness material , mainly used for deep Oil&Gas well drilling.

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