Quality Control of Great Rock Reamer Hole Opener

This is a 7 blade Matrix body PDC bit , with Stinger cutters back row, used for very abrasive formation.

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

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

Tricone bit is an important tool for oil drilling.