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GREAT has customized manufacture several types of roller bit. Our roller cone drill bit includes the 90 ° U-shaped Roller Bit series and the 120 ° U-shaped Roller Bit series. All these two types have designed Starry Sky Roller Bit.
The cones are designed with more full insert than the traditional tricone bit cutter.
Overview 120 ° U-shaped Roller bitGREAT has customized manufacture several types of roller bit . The traditional roller bit was cut by tricone bit . So it is including No.1 ,No.2, No.3 Cone cutters ....
Overview Roller bit GREAT has customized manufacture several types of roller bit . It is including 90 ° U-shaped Roller Bit, 120 ° U-shaped Roller Bit and Starry Sky Roller Bit. The 90 ° U-shaped Rol
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) ...
Rotary drilling rigs with GREAT Roller bit core barrel achieve high efficient works.
