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Drilling Parameters - Feeds and Speeds Table for W208 series Drill Bits
This feeds and speeds table was compiled using premium grade double-sided 1-ounce (37micron) copperclad with a 1.50 mm (0.059") thick FR-4 core.
| Drilling Parameters for W208 Series Drill Bits | |||||||
| Diameter | Feed | Speed | Retract | Z-Axis-Offset | Chipload | SFM | |
| (mm) | (inch) | (mm/min) | (RPM) | (m/min) | (mm) | (mils/rev) | |
| 0.10 | 0.0040 | 0.51 | 80.000 | 5 | -0.0279 | 0.25 | 84 |
| 0.13 | 0.0050 | 0.58 | 80.000 | 8 | -0.0279 | 0.29 | 105 |
| 0.15 | 0.0059 | 0.69 | 80.000 | 8 | -0.0279 | 0.34 | 124 |
| 0.25 | 0.0098 | 1.52 | 80.000 | 20 | -0.0305 | 0.75 | 205 |
| 0.30 | 0.0118 | 1.85 | 80.000 | 25 | -0.0330 | 0.91 | 247 |
| 0.35 | 0.0138 | 2.21 | 80.000 | 25 | -0.0330 | 1.09 | 289 |
| 0.40 | 0.0158 | 2.41 | 80.000 | 25 | -0.0356 | 1.19 | 331 |
| 0.45 | 0.0177 | 2.54 | 80.000 | 25 | -0.0356 | 1.25 | 371 |
| 0.50 | 0.0197 | 2.77 | 80.000 | 25 | -0.0381 | 1.36 | 412 |
| 0.55 | 0.0217 | 3.25 | 80.000 | 25 | -0.0381 | 1.60 | 454 |
| 0.60 | 0.0236 | 3.76 | 80.000 | 25 | -0.0406 | 1.85 | 494 |
| 0.65 | 0.0256 | 4.39 | 80.000 | 25 | -0.0406 | 2.16 | 536 |
| 0.70 | 0.0276 | 4.90 | 80.000 | 25 | -0.0406 | 2.41 | 578 |
| 0.75 | 0.0295 | 5.23 | 78.000 | 25 | -0.0432 | 2.64 | 600 |
| 0.80 | 0.0315 | 5.46 | 73.000 | 25 | -0.0432 | 2.95 | 600 |
| 0.85 | 0.0335 | 5.18 | 68.000 | 25 | -0.0457 | 3.00 | 600 |
| 0.90 | 0.0354 | 4.95 | 65.000 | 25 | -0.0457 | 3.00 | 600 |
| 0.95 | 0.0374 | 4.65 | 61.000 | 25 | -0.0483 | 3.00 | 600 |
| 1.00 | 0.0394 | 4.42 | 58.000 | 25 | -0.0483 | 3.00 | 600 |
| 1.05 | 0.0413 | 4.27 | 56.000 | 25 | -0.0508 | 3.00 | 600 |
| 1.10 | 0.0433 | 4.04 | 53.000 | 25 | -0.0508 | 3.00 | 600 |
| 1.15 | 0.0453 | 3.89 | 51.000 | 25 | -0.0533 | 3.00 | 600 |
| 1.20 | 0.0472 | 3.73 | 49.000 | 25 | -0.0533 | 3.00 | 600 |
| 1.25 | 0.0492 | 3.58 | 47.000 | 25 | -0.0533 | 3.00 | 600 |
| 1.30 | 0.0512 | 3.43 | 45.000 | 25 | -0.0559 | 3.00 | 600 |
| 1.35 | 0.0531 | 3.28 | 43.000 | 25 | -0.0559 | 3.00 | 600 |
| 1.40 | 0.0551 | 3.20 | 42.000 | 25 | -0.0584 | 3.00 | 600 |
| 1.45 | 0.0571 | 3.05 | 40.000 | 25 | -0.0584 | 3.00 | 600 |
| 1.50 | 0.0591 | 2.97 | 39.000 | 25 | -0.0610 | 3.00 | 600 |
| 1.55 | 0.0610 | 2.90 | 38.000 | 25 | -0.0610 | 3.00 | 600 |
| 1.60 | 0.0630 | 2.74 | 36.000 | 25 | -0.0635 | 3.00 | 600 |
| 1.65 | 0.0650 | 2.67 | 35.000 | 25 | -0.0635 | 3.00 | 600 |
| 1.70 | 0.0669 | 2.59 | 34.000 | 25 | -0.0660 | 3.00 | 600 |
| 1.75 | 0.0689 | 2.51 | 33.000 | 25 | -0.0660 | 3.00 | 600 |
| 1.80 | 0.0709 | 2.44 | 32.000 | 25 | -0.0686 | 3.00 | 600 |
| 1.85 | 0.0728 | 2.36 | 31.000 | 25 | -0.0686 | 3.00 | 600 |
| 1.90 | 0.0748 | 2.36 | 31.000 | 25 | -0.0686 | 3.00 | 600 |
| 1.95 | 0.0768 | 2.29 | 30.000 | 25 | -0.0711 | 3.00 | 600 |
| 2.00 | 0.0787 | 2.21 | 29.000 | 25 | -0.0711 | 3.00 | 600 |
| 2.05 | 0.0807 | 2.13 | 28.000 | 25 | -0.0737 | 3.00 | 600 |
| 2.10 | 0.0827 | 2.13 | 28.000 | 25 | -0.0737 | 3.00 | 600 |
| 2.15 | 0.0846 | 2.06 | 27.000 | 25 | -0.0762 | 3.00 | 600 |
| 2.20 | 0.0866 | 1.98 | 26.000 | 25 | -0.0762 | 3.00 | 600 |
| 2.25 | 0.0886 | 1.98 | 26.000 | 25 | -0.0787 | 3.00 | 600 |
| 2.30 | 0.0906 | 1.91 | 25.000 | 25 | -0.0787 | 3.00 | 600 |
| 2.35 | 0.0925 | 1.91 | 25.000 | 25 | -0.0813 | 3.00 | 600 |
| 2.40 | 0.0945 | 1.83 | 24.000 | 25 | -0.0813 | 3.00 | 600 |
| 2.45 | 0.0965 | 1.83 | 24.000 | 25 | -0.0838 | 3.00 | 600 |
| 2.50 | 0.0984 | 1.75 | 23.000 | 25 | -0.0838 | 3.00 | 600 |
| 2.55 | 0.1004 | 1.75 | 23.000 | 25 | -0.0838 | 3.00 | 600 |
| 2.60 | 0.1024 | 1.68 | 22.000 | 25 | -0.0864 | 3.00 | 600 |
| 2.65 | 0.1043 | 1.68 | 22.000 | 25 | -0.0864 | 3.00 | 600 |
| 2.70 | 0.1063 | 1.68 | 22.000 | 25 | -0.0889 | 3.00 | 600 |
| 2.75 | 0.1083 | 1.60 | 21.000 | 25 | -0.0889 | 3.00 | 600 |
| 2.80 | 0.1102 | 1.60 | 21.000 | 25 | -0.0914 | 3.00 | 600 |
| 2.85 | 0.1122 | 1.52 | 20.000 | 25 | -0.0914 | 3.00 | 600 |
| 2.90 | 0.1142 | 1.52 | 20.000 | 25 | -0.0940 | 3.00 | 600 |
| 2.95 | 0.1161 | 1.52 | 20.000 | 25 | -0.0940 | 3.00 | 608 |
| 3.00 | 0.1181 | 1.52 | 20.000 | 25 | -0.0965 | 3.00 | 618 |
| 3.05 | 0.1201 | 1.52 | 20.000 | 25 | -0.0965 | 3.00 | 629 |
| 3.10 | 0.1220 | 1.52 | 20.000 | 25 | -0.0965 | 3.00 | 638 |
| 3.15 | 0.1240 | 1.52 | 20.000 | 25 | -0.0991 | 3.00 | 649 |
| 3.20 | 0.1260 | 1.52 | 20.000 | 25 | -0.0457 | 3.00 | 659 |
| 3.25 | 0.1280 | 1.52 | 20.000 | 25 | -0.0457 | 3.00 | 670 |
| 3.30 | 0.1299 | 1.52 | 20.000 | 25 | -0.0483 | 3.00 | 680 |
| 3.35 | 0.1319 | 1.52 | 20.000 | 25 | -0.0483 | 3.00 | 690 |
| 3.40 | 0.1339 | 1.52 | 20.000 | 25 | -0.0483 | 3.00 | 701 |
| 3.45 | 0.1358 | 1.52 | 20.000 | 25 | -0.0483 | 3.00 | 711 |
| 3.50 | 0.1378 | 1.52 | 20.000 | 25 | -0.0483 | 3.00 | 721 |
| 3.55 | 0.1398 | 1.52 | 20.000 | 25 | -0.0483 | 3.00 | 732 |
| 3.60 | 0.1417 | 1.52 | 20.000 | 25 | -0.0483 | 3.00 | 742 |
| 3.65 | 0.1437 | 1.52 | 20.000 | 25 | -0.0508 | 3.00 | 752 |
| 3.70 | 0.1457 | 1.52 | 20.000 | 25 | -0.0508 | 3.00 | 762 |
| 3.75 | 0.1476 | 1.52 | 20.000 | 25 | -0.0508 | 3.00 | 772 |
| 3.80 | 0.1496 | 1.52 | 20.000 | 25 | -0.0508 | 3.00 | 783 |
| 3.85 | 0.1516 | 1.52 | 20.000 | 25 | -0.0508 | 3.00 | 793 |
| 3.90 | 0.1535 | 1.52 | 20.000 | 25 | -0.0508 | 3.00 | 803 |
| 3.95 | 0.1555 | 1.52 | 20.000 | 25 | -0.0508 | 3.00 | 814 |
| 4.00 | 0.1575 | 1.52 | 20.000 | 25 | -0.0508 | 3.00 | 824 |
| 4.05 | 0.1594 | 1.40 | 20.000 | 25 | -0.0533 | 2.75 | 834 |
| 4.10 | 0.1614 | 1.40 | 20.000 | 25 | -0.0533 | 2.75 | 845 |
| 4.15 | 0.1634 | 1.40 | 20.000 | 25 | -0.0533 | 2.75 | 855 |
| 4.20 | 0.1654 | 1.40 | 20.000 | 25 | -0.0533 | 2.75 | 866 |
| 4.25 | 0.1673 | 1.40 | 20.000 | 25 | -0.0533 | 2.75 | 876 |
| 4.30 | 0.1693 | 1.40 | 20.000 | 25 | -0.0533 | 2.75 | 886 |
| 4.35 | 0.1713 | 1.40 | 20.000 | 25 | -0.0533 | 2.75 | 896 |
| 4.40 | 0.1732 | 1.40 | 20.000 | 25 | -0.0533 | 2.75 | 906 |
| 4.45 | 0.1752 | 1.40 | 20.000 | 25 | -0.0559 | 2.75 | 917 |
| 4.50 | 0.1772 | 1.40 | 20.000 | 25 | -0.0559 | 2.75 | 927 |
| 4.55 | 0.1792 | 1.27 | 20.000 | 25 | -0.0559 | 2.50 | 938 |
| 4.60 | 0.1811 | 1.27 | 20.000 | 25 | -0.0559 | 2.50 | 948 |
| 4.65 | 0.1831 | 1.27 | 20.000 | 25 | -0.0559 | 2.50 | 958 |
| 4.70 | 0.1850 | 1.27 | 20.000 | 25 | -0.0559 | 2.50 | 968 |
| 4.75 | 0.1870 | 1.27 | 20.000 | 25 | -0.0559 | 2.50 | 979 |
| 4.80 | 0.1890 | 1.14 | 20.000 | 25 | -0.0584 | 2.25 | 989 |
| 4.85 | 0.1909 | 1.14 | 20.000 | 25 | -0.0584 | 2.25 | 999 |
| 4.90 | 0.1929 | 1.14 | 20.000 | 25 | -0.0584 | 2.25 | 1010 |
| 4.95 | 0.1949 | 1.14 | 20.000 | 25 | -0.0584 | 2.25 | 1020 |
| 5.00 | 0.1968 | 1.14 | 20.000 | 25 | -0.0584 | 2.25 | 1030 |
| 5.05 | 0.1988 | 1.14 | 20.000 | 25 | -0.0584 | 2.25 | 1040 |
| 5.10 | 0.2008 | 1.02 | 20.000 | 25 | -0.0584 | 2.00 | 1051 |
| 5.15 | 0.2028 | 1.02 | 20.000 | 25 | -0.0584 | 2.00 | 1061 |
| 5.20 | 0.2047 | 1.02 | 20.000 | 25 | -0.0610 | 2.00 | 1071 |
| 5.25 | 0.2067 | 1.02 | 20.000 | 25 | -0.0610 | 2.00 | 1082 |
| 5.30 | 0.2087 | 1.02 | 20.000 | 25 | -0.0610 | 2.00 | 1092 |
| 5.35 | 0.2106 | 1.02 | 20.000 | 25 | -0.0610 | 2.00 | 1102 |
| 5.40 | 0.2126 | 1.02 | 20.000 | 25 | -0.0610 | 2.00 | 1113 |
| 5.45 | 0.2146 | 1.02 | 20.000 | 25 | -0.0610 | 2.00 | 1123 |
| 5.50 | 0.2165 | 1.02 | 20.000 | 25 | -0.0610 | 2.00 | 1133 |
| 5.55 | 0.2185 | 1.02 | 20.000 | 25 | -0.0610 | 2.00 | 1143 |
| 5.60 | 0.2205 | 1.02 | 20.000 | 25 | -0.0635 | 2.00 | 1154 |
| 5.65 | 0.2224 | 0.89 | 20.000 | 25 | -0.0635 | 1.75 | 1164 |
| 5.70 | 0.2244 | 0.89 | 20.000 | 25 | -0.0635 | 1.75 | 1174 |
| 5.75 | 0.2264 | 0.89 | 20.000 | 25 | -0.0635 | 1.75 | 1185 |
| 5.80 | 0.2283 | 0.89 | 20.000 | 25 | -0.0635 | 1.75 | 1195 |
| 5.85 | 0.2302 | 0.89 | 20.000 | 25 | -0.0635 | 1.75 | 1205 |
| 5.90 | 0.2323 | 0.89 | 20.000 | 25 | -0.0635 | 1.75 | 1216 |
| 5.95 | 0.2343 | 0.89 | 20.000 | 25 | -0.0660 | 1.75 | 1226 |
| 6.00 | 0.2362 | 0.89 | 20.000 | 25 | -0.0660 | 1.75 | 1236 |
| 6.05 | 0.2382 | 0.89 | 20.000 | 25 | -0.0660 | 1.75 | 1247 |
| 6.10 | 0.2402 | 0.76 | 20.000 | 25 | -0.0660 | 1.50 | 1257 |
| 6.15 | 0.2421 | 0.76 | 20.000 | 25 | -0.0660 | 1.50 | 1267 |
| 6.20 | 0.2441 | 0.76 | 20.000 | 25 | -0.0660 | 1.50 | 1277 |
| 6.25 | 0.2461 | 0.76 | 20.000 | 25 | -0.0660 | 1.50 | 1288 |
| 6.30 | 0.2480 | 0.76 | 20.000 | 25 | -0.0660 | 1.50 | 1298 |
| 6.35 | 0.2500 | 0.76 | 20.000 | 25 | -0.0686 | 1.50 | 1308 |
| 6.40 | 0.2520 | 0.76 | 20.000 | 25 | -0.0686 | 1.50 | 1319 |
| 6.50 | 0.2559 | 0.76 | 20.000 | 25 | -0.0686 | 1.50 | 1339 |
| 6.60 | 0.2598 | 0.76 | 20.000 | 25 | -0.0686 | 1.50 | 1360 |
