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#43 drill bit size
#43 drill = .0890 in = 2.26 mm. Closest metric drill: 2.3 mm.
Taps that use a #43 drill
- #4-40 UNC: about 71% thread
Nearby drill sizes
| Drill | Type | Inch | mm | Difference |
|---|---|---|---|---|
| #47 | number | .0785 in | 1.994 | -10.5 thou |
| #46 | number | .0810 in | 2.057 | -8.0 thou |
| #45 | number | .0820 in | 2.083 | -7.0 thou |
| #44 | number | .0860 in | 2.184 | -3.0 thou |
| #43 | number | .0890 in | 2.261 | 0.0 thou |
| #42 | number | .0935 in | 2.375 | 4.5 thou |
| 3/32 | fraction | .0938 in | 2.381 | 4.8 thou |
| #41 | number | .0960 in | 2.438 | 7.0 thou |
| #40 | number | .0980 in | 2.489 | 9.0 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.