Manufacture PDC bits, PDC Hole opener, Crocodile PDC reamer, Roller Cone bits

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

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

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

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 ....