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Tricone bit is an important tool for oil drilling.

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

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 ....

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