- 90 Degree angle
- Cobalt steel
- 1/2″ End mill diameter
- 1/2″ Shank
- 3-1/4″ overall length, 1-1/4″ flute length
Drill-mills work best on aluminum.
They can be used for spotting holes instead of using a center drill.
And are great for chamfering edges.
Use a drill-mill to make a 90 degree angle groove.








