Application of Great Rock Reamer

Raise Boring Cutters OverviewThe raise boring cutters is mainly used for the construction of vertical shafts, ventilation shafts inclined shafts, pressure regulating shafts and escape shafts , and it...

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

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

Normally drag bits are 3 wings, but we can make 4 or 5 wings following your drawings or samples.