pdc hole openers

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

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

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

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...