Home › Drill size chart › #44 drill
#44 drill bit size
#44 drill = .0860 in = 2.18 mm. Closest metric drill: 2.2 mm.
Nearby drill sizes
| Drill | Type | Inch | mm | Difference |
|---|---|---|---|---|
| 5/64 | fraction | .0781 in | 1.984 | -7.9 thou |
| #47 | number | .0785 in | 1.994 | -7.5 thou |
| #46 | number | .0810 in | 2.057 | -5.0 thou |
| #45 | number | .0820 in | 2.083 | -4.0 thou |
| #44 | number | .0860 in | 2.184 | 0.0 thou |
| #43 | number | .0890 in | 2.261 | 3.0 thou |
| #42 | number | .0935 in | 2.375 | 7.5 thou |
| 3/32 | fraction | .0938 in | 2.381 | 7.8 thou |
| #41 | number | .0960 in | 2.438 | 10.0 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.