Specifications

Apply to coal and mine drilling 
Good quality and low price 
ISO9001 

Coal Drill Bit

Applications:

Apply to the ancher-network support hole drilling in coal mine, hydraulic project,etc.

Characteristics:

1. High wear resistance and impact-resistanct toughness;

2  to repeat repair &greaning are not necessary; long drill life;

3  high efficiency could be promoted sharply in penetration of high-medium hard rock formation;

4  labour intensity could be reduced.