The next generation Rock bits

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

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

Overview Starry Sky Roller BitGREAT has customized manufacture 90 ° U-shaped Roller Bit, 120 ° U-shaped Roller Bit and Starry Sky Roller Bit.The Roller bit mainly used for Rock reamer (Hole opener) ...