GREAT Fixed cutter bits/PDC bits manufacturing

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

Steel tooth drills are suitable for extremely soft formations with low compressive strength and high drillability such as clay, mudstone, chalk, etc..

GREAT DRILL customized Rock reamers size from 10'' to 72''.

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