Drill Size Chart
Click Below to see our Drill Size Chart
| fraction | in | mm |
|---|---|---|
| 1⁄64 | 0.015625 | 0.396875 |
| 1⁄32 | 0.03125 | 0.79375 |
| 3⁄64 | 0.046875 | 1.190625 |
| 1⁄16 | 0.0625 | 1.5875 |
| 5⁄64 | 0.078125 | 1.984375 |
| 3⁄32 | 0.09375 | 2.38125 |
| 7⁄64 | 0.109375 | 2.778125 |
| 1⁄8 | 0.125 | 3.175 |
| 9⁄64 | 0.140625 | 3.571875 |
| 5⁄32 | 0.15625 | 3.96875 |
| 11⁄64 | 0.171875 | 4.365625 |
| 3⁄16 | 0.1875 | 4.7625 |
| 13⁄64 | 0.203125 | 5.159375 |
| 7⁄32 | 0.21875 | 5.55625 |
| 15⁄64 | 0.234375 | 5.953125 |
| 1⁄4 | 0.250 | 6.350 |
| 17⁄64 | 0.265625 | 6.746875 |
| 9⁄32 | 0.28125 | 7.14375 |
| 19⁄64 | 0.296875 | 7.540625 |
| 5⁄16 | 0.3125 | 7.9375 |
| 21⁄64 | 0.328125 | 8.334375 |
| 11⁄32 | 0.34375 | 8.73125 |
| 23⁄64 | 0.359375 | 9.128125 |
| 3⁄8 | 0.375 | 9.525 |
| 25⁄64 | 0.390625 | 9.921875 |
| 13⁄32 | 0.40625 | 10.31875 |
| 27⁄64 | 0.421875 | 10.715625 |
| 7⁄16 | 0.4375 | 11.1125 |
| 29⁄64 | 0.453125 | 11.509375 |
| 15⁄32 | 0.46875 | 11.90625 |
| 31⁄64 | 0.484375 | 12.303125 |
| 1⁄2 | 0.500 | 12.700 |
| 33⁄64 | 0.515625 | 13.096875 |
| 17⁄32 | 0.53125 | 13.49375 |
| 35⁄64 | 0.546875 | 13.890625 |
| 9⁄16 | 0.5625 | 14.2875 |
| 37⁄64 | 0.578125 | 14.684375 |
| 19⁄32 | 0.59375 | 15.08125 |
| 39⁄64 | 0.609375 | 15.478125 |
| 5⁄8 | 0.625 | 15.875 |
| 41⁄64 | 0.640625 | 16.271875 |
| 21⁄32 | 0.65625 | 16.66875 |
| 43⁄64 | 0.671875 | 17.065625 |
| 11⁄16 | 0.6875 | 17.4625 |
| 45⁄64 | 0.703125 | 17.859375 |
| 23⁄32 | 0.71875 | 18.25625 |
| 47⁄64 | 0.734375 | 18.653125 |
| 3⁄4 | 0.750 | 19.050 |
| 49⁄64 | 0.765625 | 19.446875 |
| 25⁄32 | 0.78125 | 19.84375 |
| 51⁄64 | 0.796875 | 20.240625 |
| 13⁄16 | 0.8125 | 20.6375 |
| 53⁄64 | 0.828125 | 21.034375 |
| 27⁄32 | 0.84375 | 21.43125 |
| 55⁄64 | 0.859375 | 21.828125 |
| 7⁄8 | 0.875 | 22.225 |
| 57⁄64 | 0.890625 | 22.621875 |
| 29⁄32 | 0.90625 | 23.01875 |
| 59⁄64 | 0.921875 | 23.415625 |
| 15⁄16 | 0.9375 | 23.8125 |
| 61⁄64 | 0.953125 | 24.209375 |
| 31⁄32 | 0.96875 | 24.60625 |
| 63⁄64 | 0.984375 | 25.003125 |
| 1 | 1.000 | 25.400 |
| gauge | in | mm |
|---|---|---|
| A | 0.234 | 5.944 |
| B | 0.238 | 6.045 |
| C | 0.242 | 6.147 |
| D | 0.246 | 6.248 |
| E | 0.250 | 6.350 |
| F | 0.257 | 6.528 |
| G | 0.261 | 6.629 |
| H | 0.266 | 6.756 |
| I | 0.272 | 6.909 |
| J | 0.277 | 7.036 |
| K | 0.281 | 7.137 |
| L | 0.290 | 7.366 |
| M | 0.295 | 7.493 |
| N | 0.302 | 7.671 |
| O | 0.316 | 8.026 |
| P | 0.323 | 8.204 |
| Q | 0.332 | 8.433 |
| R | 0.339 | 8.611 |
| S | 0.348 | 8.839 |
| T | 0.358 | 9.093 |
| U | 0.368 | 9.347 |
| V | 0.377 | 9.576 |
| W | 0.386 | 9.804 |
| X | 0.397 | 10.08 |
| Y | 0.404 | 10.26 |
| Z | 0.413 | 10.49 |
| size | in | mm |
|---|---|---|
| 1.0mm | 0.0394 | 1.000 |
| 1.5mm | 0.0591 | 1.500 |
| 2.0mm | 0.0787 | 2.000 |
| 2.5mm | 0.0984 | 2.500 |
| 3.0mm | 0.1181 | 3.000 |
| 3.5mm | 0.1378 | 3.500 |
| 4.0mm | 0.1575 | 4.000 |
| 4.5mm | 0.1772 | 4.500 |
| 5.0mm | 0.1969 | 5.000 |
| 5.5mm | 0.2165 | 5.500 |
| 6.0mm | 0.2362 | 6.000 |
| 6.5mm | 0.2559 | 6.500 |
| 7.0mm | 0.2756 | 7.000 |
| 7.5mm | 0.2953 | 7.500 |
| 8.0mm | 0.315 | 8.000 |
| 8.5mm | 0.3346 | 8.500 |
| 9.0mm | 0.3543 | 9.000 |
| 9.5mm | 0.374 | 9.500 |
| 10.0mm | 0.3937 | 10.000 |
| 10.5mm | 0.4134 | 10.500 |
| 11.0mm | 0.4331 | 11.000 |
| 11.5mm | 0.4528 | 11.500 |
| 12.0mm | 0.4724 | 12.000 |
| 12.5mm | 0.4921 | 12.500 |
| 13.0mm | 0.5118 | 13.000 |
| gauge | in | mm |
|---|---|---|
| 80 | 0.0135 | 0.343 |
| 79 | 0.0145 | 0.368 |
| 78 | 0.016 | 0.406 |
| 77 | 0.018 | 0.457 |
| 76 | 0.020 | 0.508 |
| 75 | 0.021 | 0.533 |
| 74 | 0.0225 | 0.572 |
| 73 | 0.024 | 0.610 |
| 72 | 0.025 | 0.635 |
| 71 | 0.026 | 0.660 |
| 70 | 0.028 | 0.711 |
| 69 | 0.0292 | 0.742 |
| 68 | 0.031 | 0.787 |
| 67 | 0.032 | 0.813 |
| 66 | 0.033 | 0.838 |
| 65 | 0.035 | 0.889 |
| 64 | 0.036 | 0.914 |
| 63 | 0.037 | 0.940 |
| 62 | 0.038 | 0.965 |
| 61 | 0.039 | 0.991 |
| 60 | 0.040 | 1.016 |
| 59 | 0.041 | 1.041 |
| 58 | 0.042 | 1.067 |
| 57 | 0.043 | 1.092 |
| 56 | 0.0465 | 1.181 |
| 55 | 0.052 | 1.321 |
| 54 | 0.055 | 1.397 |
| 53 | 0.0595 | 1.511 |
| 52 | 0.0635 | 1.613 |
| 51 | 0.067 | 1.702 |
| 50 | 0.070 | 1.778 |
| 49 | 0.073 | 1.854 |
| 48 | 0.076 | 1.930 |
| 47 | 0.0785 | 1.994 |
| 46 | 0.081 | 2.057 |
| 45 | 0.082 | 2.083 |
| 44 | 0.086 | 2.184 |
| 43 | 0.089 | 2.261 |
| 42 | 0.0935 | 2.375 |
| 41 | 0.096 | 2.438 |
| 40 | 0.098 | 2.489 |
| 39 | 0.0995 | 2.527 |
| 38 | 0.1015 | 2.578 |
| 37 | 0.104 | 2.642 |
| 36 | 0.1065 | 2.705 |
| 35 | 0.110 | 2.794 |
| 34 | 0.111 | 2.819 |
| 33 | 0.113 | 2.870 |
| 32 | 0.116 | 2.946 |
| 31 | 0.120 | 3.048 |
| 30 | 0.1285 | 3.264 |
| 29 | 0.136 | 3.454 |
| 28 | 0.1405 | 3.569 |
| 27 | 0.144 | 3.658 |
| 26 | 0.147 | 3.734 |
| 25 | 0.1495 | 3.797 |
| 24 | 0.152 | 3.861 |
| 23 | 0.154 | 3.912 |
| 22 | 0.157 | 3.988 |
| 21 | 0.159 | 4.039 |
| 20 | 0.161 | 4.089 |
| 19 | 0.166 | 4.216 |
| 18 | 0.1695 | 4.305 |
| 17 | 0.173 | 4.394 |
| 16 | 0.177 | 4.496 |
| 15 | 0.180 | 4.572 |
| 14 | 0.182 | 4.623 |
| 13 | 0.185 | 4.699 |
| 12 | 0.189 | 4.801 |
| 11 | 0.191 | 4.851 |
| 10 | 0.1935 | 4.915 |
| 9 | 0.196 | 4.978 |
| 8 | 0.199 | 5.055 |
| 7 | 0.201 | 5.105 |
| 6 | 0.204 | 5.182 |
| 5 | 0.2055 | 5.220 |
| 4 | 0.209 | 5.309 |
| 3 | 0.213 | 5.410 |
| 2 | 0.221 | 5.613 |
| 1 | 0.228 | 5.791 |