Home › Drill size chart › #52 drill
#52 drill bit size
#52 drill = .0635 in = 1.61 mm. Closest metric drill: 1.6 mm.
Nearby drill sizes
| Drill | Type | Inch | mm | Difference |
|---|---|---|---|---|
| #55 | number | .0520 in | 1.321 | -11.5 thou |
| #54 | number | .0550 in | 1.397 | -8.5 thou |
| #53 | number | .0595 in | 1.511 | -4.0 thou |
| 1/16 | fraction | .0625 in | 1.587 | -1.0 thou |
| #52 | number | .0635 in | 1.613 | 0.0 thou |
| #51 | number | .0670 in | 1.702 | 3.5 thou |
| #50 | number | .0700 in | 1.778 | 6.5 thou |
| #49 | number | .0730 in | 1.854 | 9.5 thou |
| #48 | number | .0760 in | 1.930 | 12.5 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.