The leader manufacture to PDC bits, Roller Cone bits, hole openers, reamers

Tricone bit is an important tool for oil drilling.

GREAT DRILL BITS can be customized and supply various sizes , type downhole motor according to the drilling demand.

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

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 ....