B320 Suitable for: Aluminum, copper electrodes, plastics, and PVC.
| Outer Diameter (D) | Blade Length (H) | Shank Diameter (D) | Full Length (L) | B320 for Aluminum |
| 3.0 | 8 | 4 | 50 | 28 |
| 4.0 | 10 | 4 | 50 | 28 |
| 5.0 | 13 | 5 | 50 | 40 |
| 5.0 | 13 | 6 | 50 | 40 |
| 6.0 | 15 | 6 | 50 | 40 |
| 8.0 | 20 | 8 | 60 | 72 |
| 6.0 | 18 | 6 | 75 | 76 |
| 8.0 | 24 | 8 | 75 | 72 |
| 10.0 | 25 | 10 | 75 | 126 |
| 12.0 | 30 | 12 | 75 | 168 |
| 8.0 | 35 | 8 | 100 | 124 |
| 10.0 | 40 | 10 | 100 | 170 |
| 12.0 | 45 | 12 | 100 | 212 |
| 14.0 | 45 | 14 | 100 | 310 |
| 16.0 | 45 | 16 | 100 | 404 |
| 18.0 | 45 | 18 | 100 | 444 |
| 20.0 | 45 | 20 | 100 | 596 |
| 16.0 | 65 | 16 | 150 | 660 |
| 20.0 | 75 | 20 | 150 | 946 |