Good quality Tungsten long series drill for steel 12D

The 90 degree fixed core drill is used for the processing of aluminum, wood and soft and hard metals, which has the characteristics of saving time, high cutting efficiency and low wear. The 120-degree fixed core drill can be better used for cutting steel and hard metal, and it has the advantage of more accurate and fine cutting effects. The 60 degree fixed core drill is generally used for chamfering the extrusion tap after tapping.