Recommended Milling Speeds And Feeds
Inconel 718
  2 Flute 3 Flute 4 Flute 6 Flute 8 Flute
Milling Feed Per SFM RPM IPM SFM RPM IPM SFM RPM IPM SFM RPM IPM SFM RPM IPM
Dia. tooth
0.125 0.0003 200 6,112 3.67 200 6,112 5.5 200 6,112 7.33 200 6,112 11 200 6,112 14.67
0.25 0.0005 200 3,056 3.06 200 3,056 4.58 200 3,056 6.11 200 3,056 9.17 200 3,056 12.22
0.375 0.0007 200 2,037 2.85 200 2,037 4.28 200 2,037 5.7 200 2,037 8.56 200 2,037 11.41
0.5 0.001 200 1,528 3.06 200 1,528 4.58 200 1,528 6.11 200 1,528 9.17 200 1,528 12.22
0.625 0.0013 200 1,222 3.18 200 1,222 4.77 200 1,222 6.36 200 1,222 9.53 200 1,222 12.71
0.75 0.0015 200 1,019 3.06 200 1,019 4.58 200 1,019 6.11 200 1,019 9.17 200 1,019 12.22
0.875 0.0017 200 873 2.97 200 873 4.45 200 873 5.94 200 873 8.91 200 873 11.87
1 0.002 200 764 3.06 200 764 4.58 200 764 6.11 200 764 9.17 200 764 12.22
1.125 0.0023 200 679 3.12 200 679 4.69 200 679 6.25 200 679 9.37 200 679 12.5
1.25 0.0026 200 611 3.18 200 611 4.77 200 611 6.36 200 611 9.53 200 611 12.71
1.375 0.0028 200 556 3.11 200 556 4.67 200 556 6.22 200 556 9.33 200 556 12.45
1.5 0.003 200 509 3.06 200 509 4.58 200 509 6.11 200 509 9.17 200 509 12.22
1.625 0.0033 200 470 3.1 200 470 4.65 200 470 6.21 200 470 9.31 200 470 12.41
  2 Flute 3 Flute 4 Flute 6 Flute 8 Flute
Milling Feed Per SFM RPM IPM SFM RPM IPM SFM RPM IPM SFM RPM IPM SFM RPM IPM
Dia. tooth
1.75 0.0035 200 437 3.06 200 437 4.58 200 437 6.11 200 437 9.17 200 437 12.22
1.875 0.0037 200 407 3.02 200 407 4.52 200 407 6.03 200 407 9.05 200 407 12.06
2 0.004 200 382 3.06 200 382 4.58 200 382 6.11 200 382 9.17 200 382 12.22
2.125 0.004 200 360 2.88 200 360 4.31 200 360 5.75 200 360 8.63 200 360 11.5
2.25 0.004 200 340 2.72 200 340 4.07 200 340 5.43 200 340 8.15 200 340 10.87
2.375 0.004 200 322 2.57 200 322 3.86 200 322 5.15 200 322 7.72 200 322 10.29
2.5 0.004 200 306 2.44 200 306 3.67 200 306 4.89 200 306 7.33 200 306 9.78
3 0.004 200 255 2.04 200 255 3.06 200 255 4.07 200 255 6.11 200 255 8.15
3.5 0.004 200 218 1.75 200 218 2.62 200 218 3.49 200 218 5.24 200 218 6.99
4 0.004 200 191 1.53 200 191 2.29 200 191 3.06 200 191 4.58 200 191 6.11
4.5 0.004 200 170 1.36 200 170 2.04 200 170 2.72 200 170 4.07 200 170 5.43
5 0.004 200 153 1.22 200 153 1.83 200 153 2.44 200 153 3.67 200 153 4.89
5.5 0.004 200 139 1.11 200 139 1.67 200 139 2.22 200 139 3.33 200 139 4.45
6 0.004 200 127 1.02 200 127 1.53 200 127 2.04 200 127 3.06 200 127 4.07
  2 Flute 3 Flute 4 Flute 6 Flute 8 Flute
Milling Feed Per SFM RPM IPM SFM RPM IPM SFM RPM IPM SFM RPM IPM SFM RPM IPM
Dia. tooth
Titanium 6AL4V
  2 Flute 3 Flute 4 Flute 6 Flute 8 Flute
Milling Feed Per SFM RPM IPM SFM RPM IPM SFM RPM IPM SFM RPM IPM SFM RPM IPM
Dia. tooth
0.125 0.0005 400 12,224 12.22 400 12,224 18.34 400 12,224 24.45 400 12,224 36.67 400 12,224 48.9
0.25 0.001 400 6,112 12.22 400 6,112 18.34 400 6,112 24.45 400 6,112 36.67 400 6,112 48.9
0.375 0.0015 400 4,075 12.22 400 4,075 18.34 400 4,075 24.45 400 4,075 36.67 400 4,075 48.9
0.5 0.002 400 3,056 12.22 400 3,056 18.34 400 3,056 24.45 400 3,056 36.67 400 3,056 48.9
0.625 0.002 400 2,445 9.78 400 2,445 14.67 400 2,445 19.56 400 2,445 29.34 400 2,445 39.12
0.75 0.0025 400 2,037 10.19 400 2,037 15.28 400 2,037 20.37 400 2,037 30.56 400 2,037 40.75
0.875 0.003 400 1,746 10.48 400 1,746 15.72 400 1,746 20.96 400 1,746 31.43 400 1,746 41.91
1 0.0035 400 1,528 10.7 400 1,528 16.04 400 1,528 21.39 400 1,528 32.09 400 1,528 42.78
1.125 0.0035 400 1,358 9.51 400 1,358 14.26 400 1,358 19.02 400 1,358 28.52 400 1,358 38.03
1.25 0.0035 400 1,222 8.56 400 1,222 12.84 400 1,222 17.11 400 1,222 25.67 400 1,222 34.23
1.375 0.0035 400 1,111 7.78 400 1,111 11.67 400 1,111 15.56 400 1,111 23.34 400 1,111 31.12
1.5 0.004 400 1,019 8.15 400 1,019 12.22 400 1,019 16.3 400 1,019 24.45 400 1,019 32.6
1.625 0.004 400 940 7.52 400 940 11.28 400 940 15.04 400 940 22.57 400 940 30.09
  2 Flute 3 Flute 4 Flute 6 Flute 8 Flute
Milling Feed Per SFM RPM IPM SFM RPM IPM SFM RPM IPM SFM RPM IPM SFM RPM IPM
Dia. tooth
1.75 0.004 400 873 6.99 400 873 10.48 400 873 13.97 400 873 20.96 400 873 27.94
1.875 0.004 400 815 6.52 400 815 9.78 400 815 13.04 400 815 19.56 400 815 26.08
2 0.0045 400 764 6.88 400 764 10.31 400 764 13.75 400 764 20.63 400 764 27.5
2.125 0.0045 400 719 6.47 400 719 9.71 400 719 12.94 400 719 19.41 400 719 25.89
2.25 0.0045 400 679 6.11 400 679 9.17 400 679 12.22 400 679 18.34 400 679 24.45
2.375 0.0045 400 643 5.79 400 643 8.69 400 643 11.58 400 643 17.37 400 643 23.16
2.5 0.0045 400 611 5.5 400 611 8.25 400 611 11 400 611 16.5 400 611 22
3 0.0045 400 509 4.58 400 509 6.88 400 509 9.17 400 509 13.75 400 509 18.34
3.5 0.005 400 437 4.37 400 437 6.55 400 437 8.73 400 437 13.1 400 437 17.46
4 0.005 400 382 3.82 400 382 5.73 400 382 7.64 400 382 11.46 400 382 15.28
4.5 0.005 400 340 3.4 400 340 5.09 400 340 6.79 400 340 10.19 400 340 13.58
5 0.0055 400 306 3.36 400 306 5.04 400 306 6.72 400 306 10.08 400 306 13.45
5.5 0.0055 400 278 3.06 400 278 4.58 400 278 6.11 400 278 9.17 400 278 12.22
6 0.006 400 255 3.06 400 255 4.58 400 255 6.11 400 255 9.17 400 255 12.22
  2 Flute 3 Flute 4 Flute 6 Flute 8 Flute
Milling Feed Per SFM RPM IPM SFM RPM IPM SFM RPM IPM SFM RPM IPM SFM RPM IPM
Dia. tooth