Details of Great Rock Reamer

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

RC PDC bit from GREAT are manufactured from AISI 4145H heat-treated steel.

This type of Bi-center bit mainly used for medium to medium hard compressive and abrasive formation.

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