M8 Tap Drill Size
Use a 6.8 mm drill for a M8 x 1.25 tap — .2677" (6.80 mm).
Rule of thumb for metric: drill = major diameter - pitch. For M8 that lands on 6.8 mm.
Nearby taps
| Tap | Drill | Decimal |
|---|---|---|
| M6 x 1.0 | 5.0 | .1969 |
| M10 x 1.5 | 8.5 | .3346 |
Printable PDF version - Tap Drill Chart
Clean letter-size sheet for the toolbox or shop wall. Instant download, $3.49.
Clean letter-size sheet for the toolbox or shop wall. Instant download, $3.49.