High-quality Drill Bits from China

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

Core barrel with roller bit is used in very strong rock formations(compressive strength > 100Mpa)

Tricone bit is an important tool for oil drilling.

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