3 blade Fixed cutter bits and 5 blade Matrix body PDC bits

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

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

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

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 ....