Drill Charts
Use this as a reference page and extend it with your preferred fractional, letter, number and metric drill standards.
| Metric | Decimal Inch | Nearest Fraction |
|---|---|---|
| 3 mm | 0.1181 | 1/8 |
| 5 mm | 0.1969 | 13/64 |
| 6 mm | 0.2362 | 15/64 |
| 8 mm | 0.3150 | 5/16 |
| 10 mm | 0.3937 | 25/64 |