Tungsten Carbide Mining Ball Teeth for Coal Mining and
Geoglogical amp; Mining Use Cemented Carbide Ball Tooth/Tungsten Buttons Insert. It''s a kind of geoglogical and mining different type: Drill bits, Ball teeth,Brazing Tips, Button ect. Some for embedding rotary drill bits for drilling coal and soft rock formation; some for embedding bits for core drilling of hard rock formations. Type