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Tricone bit is an important tool for oil drilling.

Core barrel with roller bit is used in very strong rock formations(compressive strength > 100Mpa)

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 ....

RC PDC bit from GREAT are manufactured from AISI 4145H heat-treated steel.