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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 ....

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

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