
| Series 66M, 66MCR | Ae | Ap Ae | Vc | D | iameter ( (mm) | D1) | |||||||
| Metric | Hardness | Ae x D1 | Ap x D1 | (m/min) | 6 | 8 | 10 | 12 | 16 | 20 | 25 | ||
| Profile | 117 | RPM | 6220 | 4665 | 3732 | 3110 | 2333 | 1866 | 1493 | ||||
| ≤ 0.05 | ≤ 1 | (94141) | Fz | 0.017 | 0.030 | 0.037 | 0.043 | 0.059 | 0.064 | 0.065 | |||
| STAINLESS STEELS (DIFFICULT) | ≤ 275 Bhn | - | Feed (mm/min) | 731 | 975 | 975 | 1209 | 1236 | 1314 | 1067 | |||
| 304, 304L, 316, 316L | or ≤ 28 HRc | Finish | 141 | RPM | 7465 | 5598 | 4479 | 3732 | 2799 | 2239 | 1791 | ||
| ≤ 0.02 | ≤ 2 | (113-169) | Fz | 0.013 | 0.024 | 0.030 | 0.035 | 0.047 | 0.051 | 0.052 | |||
| M | Feed (mm/min) | 702 | 17 | 936 | 1161 | 1187 | 1261 | 1025 | |||||
| Pfil | 108 | RPM | 5736 | 4302 | 3441 | 2868 | 2151 | 1721 | 1377 | ||||
| roe | ≤ 0.05 | ≤ 1 | Fz | 0.017 | 0.030 | 0.037 | 0.043 | 0.059 | 0.064 | 0.065 | |||
| STAINLESS STEELS (PH) | ≤ 325 Bhn | (87-130) | Feed (mm/min) | 674 | 899 | 899 | 1115 | 1140 | 1211 | 984 | |||
| 13-8 PH, 15-5 PH, 17-4 PH, Custom 450 | or ≤ 35 HRc | Finish | 130 | RPM | 6883 | 5162 | 4130 | 3441 | 2581 | 2065 | 1652 | ||
| ≤ 0.02 | ≤ 2 | (104156) | Fz | 0.013 | 0.024 | 0.030 | 0.035 | 0.047 | 0.051 | 0.052 | |||
| - | Feed (mm/min) | 647 | 863 | 863 | 1070 | 1094 | 1163 | 945 | |||||
| Pfil | 32 | RPM | 1696 | 1272 | 1018 | 848 | 636 | 509 | 407 | ||||
| SUPER ALLOYS | roe | ≤ 0.05 | ≤ 1 | Fz | 0.017 | 0.030 | 0.037 | 0.043 | 0.059 | 0.064 | 0.065 | ||
| (NICKEL, COBALT, | ≤ 300 Bhn | (26-38) | Feed (mm/min) | 199 | 266 | 213 | 330 | 337 | 358 | 291 | |||
| IRON BASE) Inconel 601, 617, 625, | or ≤ 32 HRc | Fiih | 38 | RPM | 2036 | 1527 | 1221 | 1018 | 763 | 611 | 489 | ||
| Incoloy, Monel 400 | ns | ≤ 0.02 | ≤ 2 | Fz | 0.013 | 0.024 | 0.030 | 0.035 | 0.047 | 0.051 | 0.052 | ||
| (31-46) | Feed (mm/min) | 192 | 255 | 255 | 317 | 324 | 344 | 279 | |||||
| Profile | 26 | RPM | 1373 | 1030 | 824 | 687 | 515 | 412 | 330 | ||||
| SUPER ALLOYS | ≤ 0.05 | ≤ 1 | Fz | 0.012 | 0.019 | 0.024 | 0.026 | 0.036 | 0.040 | 0.040 | |||
| (NICKEL, COBALT, IRON BASE) | ≤ 400 Bhn | (21-31) | Feed (mm/min) | 115 | 138 | 138 | 163 | 166 | 181 | 145 | |||
| Inconel 718, X-750, Incoloy, Waspaloy, | or ≤ 43 HRc | 31 | RPM | 1648 | 1236 | 989 | 824 | 618 | 494 | 396 | |||
| Hastelloy, Rene | Finish | ≤ 0.02 | ≤ 2 | Fz | 0.010 | 0.015 | 0.019 | 0.021 | 0.029 | 0.032 | 0.032 | ||
| (25-37) | Feed (mm/min) | 111 | 133 | 133 | 157 | 159 | 174 | 139 | |||||
| S | Pfil | 119 | RPM | 6301 | 4726 | 3781 | 3151 | 2363 | 1890 | 1512 | |||
| TITANIUM ALLOYS | roe | ≤ 0.05 | ≤ 1 | (95143) | Fz | 0.019 | 0.032 | 0.040 | 0.050 | 0.067 | 0.072 | 0.073 | |
| Pure Titanium, | ≤ 350 Bhn | - | Feed (mm/min) | 847 | 1059 | 1059 | 1429 | 1415 | 1497 | 1206 | |||
| Ti6Al4V, Ti6Al2Sn4Zr2Mo, | or ≤ 38 HRc | Finish | 143 | RPM | 7561 | 5671 | 4537 | 3781 | 2836 | 2268 | 1815 | ||
| Ti4Al4Mo2Sn0.5Si | ≤ 0.02 | ≤ 2 | Fz | 0.015 | 0.026 | 0.032 | 0.040 | 0.053 | 0.058 | 0.058 | |||
| (114-171) | Feed (mm/min) | 813 | 1016 | 1016 | 1372 | 1359 | 1437 | 1158 | |||||
| Profile | 43 | RPM | 2262 | 1696 | 1357 | 1131 | 848 | 679 | 543 | ||||
| TITANIUM ALLOYS (DIFFICULT) | ≤ 0.05 | ≤ 1 | Fz | 0.019 | 0.032 | 0.040 | 0.050 | 0.067 | 0.072 | 0.073 | |||
| Ti10Al2Fe3Al, Ti5Al5V5Mo3Cr, | ≤ 440 Bhn | (34-51) | Feed (mm/min) | 304 | 380 | 380 | 513 | 508 | 537 | 433 | |||
| Ti7Al4Mo, Ti3Al8V6Cr4Zr4Mo, | or ≤ 47 HRc | Finish | 51 | RPM | 2714 | 2036 | 1629 | 1357 | 1018 | 814 | 651 | ||
| Ti6Al6V6Sn, Ti15V3 Cr3Sn3Al | ≤ 0.02 | ≤ 2 | Fz | 0.015 | 0.026 | 0.032 | 0.040 | 0.053 | 0.058 | 0.058 | |||
| (41-61) | Feed (mm/min) | 292 | 365 | 365 | 492 | 488 | 516 | 416 |
Bhn (Brinell) HRc (Rockwell C) rpm = (Vc x 1000) / (D x 3.14) 1 mm/min = Fz x number of flutes x rpm reduce speed and feed for materials harder than listed