| Metric Drill Sizes | |||
| Drill Size (inches) | Decimal | Drill Size (inches) | Decimal |
| .35 | .0138 | 5.70 | .2244 |
| .40 | .0157 | 5.75 | .2264 |
| .45 | .0177 | 5.80 | .2283 |
| .50 | .0197 | 5.90 | .2323 |
| .55 | .0217 | 6.00 | .2362 |
| .60 | .0236 | 6.10 | .2401 |
| .65 | .0256 | 6.20 | .2441 |
| .70 | .0276 | 6.25 | .2461 |
| .75 | .0295 | 6.30 | .2480 |
| .80 | .0315 | 6.40 | .2520 |
| .85 | .0335 | 6.50 | .2559 |
| .90 | .0355 | 6.60 | .2598 |
| .95 | .0374 | 6.70 | .2638 |
| 1.0 | .0394 | 6.75 | .2658 |
| 1.05 | .0413 | 6.80 | .2677 |
| 1.10 | .0433 | 6.90 | .2716 |
| 1.15 | .0453 | 7.00 | .2756 |
| 1.20 | .0472 | 7.10 | .2795 |
| 1.25 | .0492 | 7.20 | .2835 |
| 1.30 | .0512 | 7.25 | .2855 |
| 1.35 | .0531 | 7.30 | .2874 |
| 1.40 | .0551 | 7.40 | .2913 |
| 1.45 | .0571 | 7.50 | .2953 |
| 1.50 | .0591 | 7.60 | .2990 |
| 1.55 | .0610 | 7.70 | .3031 |
| 1.60 | .0629 | 7.75 | .3051 |
| 1.65 | .0650 | 7.80 | .3071 |
| 1.70 | .0669 | 7.90 | .3110 |
| 1.75 | .0689 | 8.00 | .3150 |
| 1.80 | .0709 | 8.10 | .3189 |
| 1.85 | .0728 | 8.20 | .3228 |
| 1.90 | .0748 | 8.25 | .3248 |
| 1.95 | .0768 | 8.30 | .3267 |
| 2.00 | .0787 | 8.40 | .3307 |
| 2.05 | .0807 | 8.50 | .3346 |
| 2.10 | .0827 | 8.60 | .3386 |
| 2.15 | .0846 | 8.70 | .3425 |
| 2.20 | .0866 | 8.75 | .3445 |
| 2.25 | .0886 | 8.80 | .3465 |
| 2.30 | .0905 | 8.90 | .3504 |
| 2.35 | .0925 | 9.00 | .3543 |
| 2.40 | .0945 | 9.10 | .3583 |
| 2.45 | .0965 | 9.20 | .3622 |
| 2.50 | .0984 | 9.25 | .3642 |
| 2.55 | .1004 | 9.35 | .3661 |
| 2.60 | .1024 | 9.40 | .3701 |
| 2.65 | .1043 | 9.50 | .3740 |
| 2.70 | .1063 | 9.60 | .3780 |
| 2.75 | .1083 | 9.70 | .3819 |
| 2.80 | .1102 | 9.75 | .3839 |
| 2.90 | .1142 | 9.80 | .3858 |
| 3.00 | .1181 | 9.90 | .3898 |
| 3.10 | .1220 | 10.0 | .3937 |
| 3.20 | .1260 | 10.5 | .4133 |
| 3.25 | .1280 | 11.0 | .4331 |
| 3.30 | .1299 | 11.5 | .4528 |
| 3.40 | .1339 | 12.0 | .4724 |
| 3.50 | .1378 | 12.5 | .4921 |
| 3.60 | .1417 | 13.0 | .5118 |
| 3.70 | .1457 | 13.5 | .5315 |
| 3.75 | .1477 | 14.0 | .5512 |
| 3.80 | .1496 | 14.5 | .5708 |
| 3.90 | .1535 | 15.0 | .5906 |
| 4.00 | .1575 | 15.5 | .6102 |
| 4.10 | .1614 | 16.0 | .6300 |
| 4.20 | .1654 | 16.5 | .6496 |
| 4.25 | .1674 | 17.0 | .6693 |
| 4.30 | .1693 | 17.5 | .6889 |
| 4.40 | .1732 | 18.0 | .7087 |
| 4.50 | .1771 | 18.5 | .7283 |
| 4.60 | .1811 | 19.0 | .7480 |
| 4.70 | .1850 | 19.5 | .7677 |
| 4.75 | .1870 | 20.0 | .7874 |
| 4.80 | .1890 | 20.5 | .8071 |
| 4.90 | .1929 | 21.0 | .8268 |
| 5.00 | .1968 | 21.5 | .8465 |
| 5.10 | .2008 | 22.0 | .8661 |
| 5.20 | .2047 | 22.5 | .8858 |
| 5.25 | .2067 | 23.0 | .9055 |
| 5.30 | .2087 | 23.5 | .9252 |
| 5.40 | .2126 | 24.0 | .9449 |
| 5.50 | .2165 | ||