Rake and Relief Angles for high-speed steel lathe tool bits.
These rake and relief angles are for high-speed steel lathe tool bits.
| Material | Side Relief | Front Relief | Side Rake | Back Rake |
| Aluminum | 12 | 8 | 15 | 35 |
| Brass | 10 | 8 | 5 to -4 | 0 |
| Bronze | 10 | 8 | 5 to -4 | 0 |
| Cast iron | 10 | 8 | 12 | 5 |
| Copper | 12 | 10 | 20 | 16 |
| Machine Steel | 10 to 12 | 8 | 12 to 18 | 8 to 15 |
| Tool Steel | 10 | 8 | 12 | 8 |
| Stainless Steel | 10 | 8 | 15 to 20 | 8 |