Number and Letter Drill Sizes

With drill point length
						 
|number|decimal| point |number|decimal| point |number|decimal|point |         
| size | equiv |length | size | equiv |length | size | equiv |length|
---------------------------------------------------------------------         
| 80   |.0135  |       | 45   |.082   |.025   |10    |.1935  |.058  |        
| 79   |.0145  |       | 44   |.086   |.026   | 9    |.196   |.059  |        
| 78   |.016   |       | 43   |.089   |.027   | 8    |.199   |.060  | 
| 77   |.018   |       | 42   |.0935  |.028   | 7    |.201   |.060  | 
| 76   |.020   |       | 41   |.096   |.029   | 6    |.204   |.061  | 
| 75   |.021   |       | 40   |.098   |.029   | 5    |.2055  |.062  | 
| 74   |.0225  |       | 39   |.0995  |.030   | 4    |.209   |.063  | 
| 73   |.024   |       | 38   |.1015  |.030   | 3    |.213   |.064  | 
| 72   |.025   |       | 37   |.104   |.031   | 2    |.221   |.067  | 
| 71   |.026   |       | 36   |.1065  |.032   | 1    |.228   |.068  | 
| 70   |.028   |       | 35   |.110   |.033   | A    |.234   |      |
| 69   |.0292  |       | 34   |.111   |.033   | B    |.238   |      |
| 68   |.031   |       | 33   |.113   |.034   | C    |.242   |      |
| 67   |.032   |       | 32   |.116   |.035   | D    |.246   |      |
| 66   |.033   |       | 31   |.120   |.036   | E    |.250   |      |
| 65   |.035   |       | 30   |.1285  |.039   | F    |.257   |      |
| 64   |.036   |       | 29   |.136   |.041   | G    |.261   |      |
| 63   |.037   |       | 28   |.1405  |.042   | H    |.266   |      |
| 62   |.038   |       | 27   |.144   |.043   | I    |.272   |      |
| 61   |.039   |       | 26   |.147   |.044   | J    |.277   |      |
| 60   |.040   |.012   | 25   |.1495  |.045   | K    |.281   |      |
| 59   |.041   |.012   | 24   |.152   |.046   | L    |.290   |      |
| 58   |.042   |.013   | 23   |.154   |.046   | M    |.295   |      |
| 57   |.043   |.013   | 22   |.157   |.047   | N    |.302   |      |
| 56   |.0465  |.014   | 21   |.159   |.048   | O    |.316   |      |
| 55   |.052   |.016   | 20   |.161   |.048   | P    |.323   |      |
| 54   |.055   |.017   | 19   |.166   |.050   | Q    |.332   |      |
| 53   |.0595  |.018   | 18   |.1695  |.051   | R    |.339   |      |
| 52   |.0635  |.019   | 17   |.173   |.052   | S    |.348   |      |
| 51   |.067   |.020   | 16   |.177   |.053   | T    |.358   |      |
| 50   |.070   |.021   | 15   |.180   |.054   | U    |.368   |      |
| 49   |.073   |.022   | 14   |.182   |.055   | V    |.377   |      |
| 48   |.076   |.023   | 13   |.185   |.056   | W    |.386   |      |
| 47   |.0785  |.024   | 12   |.189   |.057   | X    |.397   |      | 
| 46   |.081   |.024   | 11   |.191   |.057   | Y    |.404   |      |
|      |       |       |      |       |       | Z    |.413   |      |