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To be mounted on twist drills for boring and countersinking in onr step.
Made in H.S.S for very long life.
| D | TL | Ø | Ref. |
| 17 | 28 | 3 | CS5172803 |
| 17 | 28 | 4 | CS5172804 |
| 17 | 28 | 5 | CS5172805 |
| 17 | 28 | 6 | CS5172806 |
| 17 | 28 | 7 | CS5172807 |
| 17 | 28 | 8 | CS5172808 |
| 20 | 28 | 9 | CS5202809 |
| 20 | 28 | 10 | CS5202810 |
HSS Countersink - 5 Flutes
