Suggested starting values (HSS tool)
| Feet per minute | |
| Steel (tough) | 50–60 |
| Mild steel | 100–125 |
| Cast iron (medium) | 60–80 |
| Stainless steels (300 & 400 series) | 75–130 |
| Bronzes | 80–150 |
| Aluminium | 250–350 |
| Brass | 300-700 |
See also: Selection criteria and calculation of speeds and feeds (TECH 1711)
