Carbide Glass Drill Tips

size:Φ3,Φ4,Φ5,Φ6,Φ8,Φ10,Φ12

Tops tips with YG8C quality

can drill 7-8 holes per pc.

1.for hard brittle ceramic materials and glasss,can be used with ordinary drilling hammer.it must be added coolant whe it is being used.

2.when drill holes,your force should be slow,especially when at the begining of drill and at the moment of drill the glass through

3.turn to the right when working ,speed 400-500