Details of Great Rock Reamer

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.

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

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...