GREAT Fixed cutter bits/PDC bits manufacturing

This is a 7 blade Matrix body PDC bit , with Stinger cutters back row, used for very abrasive formation.

PDC Reamer is the perfect tool for large diameter HDD bores. The size of the reamer is ranging from 12" to 50".

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)