Top 8 Milling Tools for New CNC Machinists Fusion 360 Blog
Drill bits have a conical cutting point with a shaft that has one or more flutes, similar to an end mill. The most common twist drills are made out of High Speed Steel (HSS) or solid carbide. Goldcolored coatings such as TiN are typically used to increase the hardness of the drill, reduce wear, and increase tool life.