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M drill bit size
M drill = .2950 in = 7.49 mm. Closest metric drill: 7.5 mm.
Nearby drill sizes
| Drill | Type | Inch | mm | Difference |
|---|---|---|---|---|
| J | letter | .2770 in | 7.036 | -18.0 thou |
| K | letter | .2810 in | 7.137 | -14.0 thou |
| 9/32 | fraction | .2813 in | 7.144 | -13.7 thou |
| L | letter | .2900 in | 7.366 | -5.0 thou |
| M | letter | .2950 in | 7.493 | 0.0 thou |
| 19/64 | fraction | .2969 in | 7.541 | 1.9 thou |
| N | letter | .3020 in | 7.671 | 7.0 thou |
| 5/16 | fraction | .3125 in | 7.938 | 17.5 thou |
| O | letter | .3160 in | 8.026 | 21.0 thou |
1 thou = 0.001 in = 0.0254 mm. Drills a few thou apart are usually interchangeable for clearance holes, but not for tap drills or reamer pilots.