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#33 drill bit size
#33 drill = .1130 in = 2.87 mm. Closest metric drill: 2.9 mm.
Taps that use a #33 drill
- #6-40 UNF: about 77% thread
Nearby drill sizes
| Drill | Type | Inch | mm | Difference |
|---|---|---|---|---|
| #36 | number | .1065 in | 2.705 | -6.5 thou |
| 7/64 | fraction | .1094 in | 2.778 | -3.6 thou |
| #35 | number | .1100 in | 2.794 | -3.0 thou |
| #34 | number | .1110 in | 2.819 | -2.0 thou |
| #33 | number | .1130 in | 2.870 | 0.0 thou |
| #32 | number | .1160 in | 2.946 | 3.0 thou |
| #31 | number | .1200 in | 3.048 | 7.0 thou |
| 1/8 | fraction | .1250 in | 3.175 | 12.0 thou |
| #30 | number | .1285 in | 3.264 | 15.5 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.