#3 Drill Size
A #3 number drill is 0.2130" (5.410 mm).
Closest fraction: 7/32 (0.2188", over by 0.0058").
Tap drill for
Next size down / up
| Drill | Inch | mm |
|---|---|---|
| #4 | 0.2090 | 5.309 |
| 5.5 mm | 0.2165 | 5.500 |
Printable PDF version - Drill Size Chart
Clean letter-size sheet for the toolbox or shop wall. Instant download, $3.49.
Clean letter-size sheet for the toolbox or shop wall. Instant download, $3.49.