GREAT Brand PDC bits, focus on quality with the most competitive price

Steel body PDC bit is made by AISI 4145H heat treatment steel manufacture, it has lower cost compare with Matrix body PDC bit.

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 ....

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