
| Series 52, 54 | Ae | Ap Ae | Vc | Diame (in | ter (D1) ch) | ||||||||
| Fractional | Hardness | Flutes | Ae x D1 | Ap x D1 | (sfm) | 1/8 | 1/4 | 3/8 | 1/2 | 3/4 | 1 | ||
| 1360 | RPM | 41562 | 20781 | 13854 | 10390 | 6927 | 5195 | ||||||
| Profile | Fz | 0.00069 | 0.0018 | 0.0034 | 0.0046 | 0.0055 | 0.0064 | ||||||
| 2 | ≤ 0.3 | ≤ 1.5 | (1088-1632) | 57.4 | 74.8 | 94.2 | 95.6 | 76.2 | 66.5 | ||||
| ALUMINUM ALLOYS | ≤ 150 Bhn | 4 | ≤ 0.3 | ≤ 1.5 | Feed (ipm) | 114.7 | 149.6 | 188.4 | 191.2 | 152.4 | 133.0 | ||
| 2024, 5052, 5086, 6061, 6063, 7075 | or ≤ 7 HRc | 1090 | RPM | 33310 | 16655 | 11103 | 8328 | 5552 | 4164 | ||||
| Slot | Fz | 0.00063 | 0.0017 | 0.0032 | 0.0042 | 0.0050 | 0.0059 | ||||||
| 2 | 1 | ≤ 1 | (872-1308) | Fd i | 42.0 | 56.6 | 71.1 | 70.0 | 55.5 | 49.1 | |||
| 4 | 1 | ≤ 0.25 | ee (pm) | 83.9 | 113.3 | 142.1 | 139.9 | 111.0 | 98.3 | ||||
| 510 | RPM | 15586 | 7793 | 5195 | 3896 | 2598 | 1948 | ||||||
| Profile | Fz | 0.00069 | 0.0018 | 0.0034 | 0.0046 | 0.0055 | 0.0064 | ||||||
| ALUMINUM DIE | 2 | ≤ 0.3 | ≤ 1.5 | (408-612) | 21.5 | 28.1 | 35.3 | 35.8 | 28.6 | 24.9 | |||
| CAST ALLOYS | ≤ 125 Bhn | 4 | ≤ 0.3 | ≤ 1.5 | Feed (ipm) | 43.0 | 56.1 | 70.7 | 71.7 | 57.1 | 49.9 | ||
| (HIGH SILICON) A A2 B | or ≤ 77 HRb | 410 | RPM | 12530 | 6265 | 4177 | 3132 | 2088 | 1566 | ||||
| -390, -39, -390 | Slot | Fz | 0.00063 | 0.0017 | 0.0032 | 0.0042 | 0.0050 | 0.0059 | |||||
| 2 | 1 | ≤ 1 | (328-492) | 15.8 | 21.3 | 26.7 | 26.3 | 20.9 | 18.5 | ||||
| 4 | 1 | ≤ 0.25 | Feed (ipm) | 31.6 | 42.6 | 53.5 | 52.6 | 41.8 | 37.0 | ||||
| 590 | RPM | 18030 | 9015 | 6010 | 4508 | 3005 | 2254 | ||||||
| Profile | Fz | 0.00039 | 0.0010 | 0.0020 | 0.0026 | 0.0031 | 0.0037 | ||||||
| COPPER ALLOYS | 2 | ≤ 0.3 | ≤ 1.5 | (472-708) | 14.1 | 18.0 | 24.0 | 23.4 | 18.6 | 16.7 | |||
| Aluminum Bronze, | ≤ 140 Bhn | 4 | ≤ 0.3 | ≤ 1.5 | Feed (ipm) | 28.1 | 36.1 | 48.1 | 46.9 | 37.3 | 33.4 | ||
| Muntz Brass, Naval, | or ≤ 3 HRc | 475 | RPM | 14516 | 7258 | 4839 | 3629 | 2419 | 1815 | ||||
| Brass, Red Brass | Slot | Fz | 0.00036 | 0.0010 | 0.0018 | 0.0024 | 0.0029 | 0.0034 | |||||
| 2 | 1 | ≤ 1 | (380-570) | 10.5 | 14.5 | 17.4 | 17.4 | 14.0 | 12.3 | ||||
| 4 | 1 | ≤ 0.25 | Feed (ipm) | 20.9 | 29.0 | 34.8 | 34.8 | 28.1 | 24.7 | ||||
| N | 235 | RPM | 7182 | 3591 | 2394 | 1795 | 1197 | 898 | |||||
| Profile | Fz | 0.00039 | 0.0010 | 0.0020 | 0.0026 | 0.0031 | 0.0037 | ||||||
| COPPER ALLOYS | 2 | ≤ 0.3 | ≤ 1.5 | (188-282) | 5.6 | 7.2 | 9.6 | 9.3 | 7.4 | 6.6 | |||
| Beryllium Copper, | ≤ 200 Bhn | 4 | ≤ 0.3 | ≤ 1.5 | Feed (ipm) | 11.2 | 14.4 | 19.2 | 18.7 | 14.8 | 13.3 | ||
| C110, Manganese | or ≤ 23 HRc | 190 | RPM | 5806 | 2903 | 1935 | 1452 | 968 | 726 | ||||
| Bronze, Tin Bronze | Slot | Fz | 0.00036 | 0.0010 | 0.0018 | 0.0024 | 0.0029 | 0.0034 | |||||
| 2 | 1 | ≤ 1 | (152-228) | Fd i | 4.2 | 5.8 | 7.0 | 7.0 | 5.6 | 4.9 | |||
| 4 | 1 | ≤ 0.25 | ee (pm) | 8.4 | 11.6 | 13.9 | 13.9 | 11.2 | 9.9 | ||||
| 1600 | RPM | 48896 | 24448 | 16299 | 12224 | 8149 | 6112 | ||||||
| Profile | Fz | 0.00110 | 0.0030 | 0.0056 | 0.0074 | 0.0089 | 0.0100 | ||||||
| 2 | ≤ 0.3 | ≤ 1.5 | (1280-1920) | 107.6 | 146.7 | 182.5 | 180.9 | 145.1 | 122.2 | ||||
| PLASTICS | 4 | ≤ 0.3 | ≤ 1.5 | Feed (ipm) | 215.1 | 293.4 | 365.1 | 361.8 | 290.1 | 244.5 | |||
| ABS, Polycarbonate, PVC, Polypropylene | 1280 | RPM | 39117 | 19558 | 13039 | 9779 | 6519 | 4890 | |||||
| Slot | Fz | 0.00100 | 0.0027 | 0.0051 | 0.0068 | 0.0082 | 0.0095 | ||||||
| 2 | 1 | ≤ 1 | (1024-1536) | 78.2 | 105.6 | 133.0 | 133.0 | 106.9 | 92.9 | ||||
| 4 | 1 | ≤ 0.25 | Feed (ipm) | 156.5 | 211.2 | 266.0 | 266.0 | 213.8 | 185.8 | ||||
| 720 | RPM | 22003 | 11002 | 7334 | 5501 | 3667 | 2750 | ||||||
| Profile | Fz | 0.00082 | 0.0022 | 0.0041 | 0.0055 | 0.0065 | 0.0076 | ||||||
| 2 | ≤ 0.3 | ≤ 1.5 | (576-864) | 36.1 | 48.4 | 60.1 | 60.5 | 47.7 | 41.8 | ||||
| PLASTICS | 4 | ≤ 0.3 | ≤ 1.5 | Feed (ipm) | 72.2 | 96.8 | 120.3 | 121.0 | 95.3 | 83.6 | |||
| Fiberglass, Glass Filled | 575 | RPM | 17572 | 8786 | 5857 | 4393 | 2929 | 2197 | |||||
| Slot | Fz | 0.00075 | 0.0020 | 0.0037 | 0.0050 | 0.0060 | 0.0070 | ||||||
| 2 | 1 | ≤ 1 | (460-690) | 26.4 | 35.1 | 43.3 | 43.9 | 35.1 | 30.8 | ||||
| 4 | 1 | ≤ 0.25 | Feed (ipm) | 52.7 | 70.3 | 86.7 | 87.9 | 70.3 | 61.5 |
Bhn (Brinell) HRc (Rockwell C) HRb (Rockwell B) rpm = (Vc x 3.82) / D1 ipm = Fz x number of flutes x rpm reduce feed and Ae when finish milling (.02 x D1 maximum)