Great Rock Reamer Hole Opener Quality Control

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

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.

Steel body PDC bit is made by AISI 4145H heat treatment steel manufacture, it has lower cost compare with Matrix body PDC bit.