| Ø12mm 5xD carbide drill with coolant | Single-use | Resharpened 5 times |
| Tool life (new) | 500 | 500 |
| Tool life (resharpened 90%) | na | 450 |
| Holes drilled (total) | 500 | 2750 |
| New Drill cost | $225.97 | $225.97 |
| Regrind cost | na | $29.90 |
| Total cost | $225.97 | $375.47 |
| Cost per hole drilled | $0.45 | $0.14 |
| Cost saving | 70% |
You can save up to 70% on tool costs by using Guhring’s precision regrinding service.