Details of Great Rock Reamer

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

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

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...

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