Application of Great Rock Reamer Hole Opener

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) ...

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

Normally drag bits are 3 wings, but we can make 4 or 5 wings following your drawings or samples.