Selecting the right milling tool
| Type | Best For | Finish | Cost |
|---|---|---|---|
| Square End Mill | Slots, shoulders, profiling | Good | Low |
| Ball Nose | 3D contours, fillets | Excellent | Low |
| Face Mill (Insert) | Flat surfaces, large areas | Excellent | Very low |
Flutes: 2-flute (Al), 3-flute (general), 4-flute (steel), 5+ (finishing).