Great Mixed Drill Bit

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

Popular Size: 1305, 1308,1613,1616,1913

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 ....

Steel tooth drills are suitable for extremely soft formations with low compressive strength and high drillability such as clay, mudstone, chalk, etc..