Application of Great Rock Reamer

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

GREAT DRILL BITS can be customized and supply various sizes , type downhole motor according to the drilling demand.

GREAT customized made Diamond core bits ,which including Matrix body and Steel body.

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...