Application of Great Rock Reamer

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.

GREAT DRILL customized Rock reamers size from 10'' to 72''.

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 ....