GREAT's High-quality Bits Series I

Popular Size: 1305, 1308,1613,1616,1913

Matrix body PDC bit is made by Tungsten carbide podwer , it is very high hardness material , mainly used for deep Oil&Gas well drilling.

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...

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