#31 Drill Size
A #31 number drill is 0.1200" (3.048 mm).
Closest fraction: 1/8 (0.1250", over by 0.0050").
Next size down / up
| Drill | Inch | mm |
|---|---|---|
| 3 mm | 0.1181 | 3.000 |
| 1/8 | 0.1250 | 3.175 |
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.