GREAT Brand PDC bits, focus on quality with the most competitive price

Overview Roller bitGREAT has customized manufacture several types of roller bit . It is including 90 ° U-shaped Roller Bit, 120 ° U-shaped Roller Bit and Starry Sky Roller Bit.The 90 ° U-shaped Rol...

Overview Starry Sky Roller BitGREAT has customized manufacture 90 ° U-shaped Roller Bit, 120 ° U-shaped Roller Bit and Starry Sky Roller Bit.The Roller bit mainly used for Rock reamer (Hole opener) ...

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

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