EXOMILL VC-10 Powdered Metal High Speed Steel
List 660: Super High-Helix - Regular Length - Multiple Flute
Semi-Roughing Cut
Hardness
<20 HRC
20-30 HRC
30-40 HRC
40-50 HRC
6AL-4V 17-4 PH H13 (HRC38) P20, D2 Beryllium Copper
1045 1055 Cast Steel Cast Iron
15-5 PH 4140, 4340, 304, 316, 410, 420, 430 A1
H13 (HRC45) Inconel 718 Hastelloy Waspaloy
Work Material
Cutting Speed
80-100 SFM
50-65 SFM
35-45 SFM
20-30 SFM
a a=1.5D a r= 0.3D
Depth of Cut
Speed RPM
Feed in/min
Speed RPM
Feed in/min
Speed RPM
Feed in/min
Speed RPM
Feed in/min
Mill Dia.
1/4
1,400 1,100
3.0 2.8 3.2 3.3 3.8 3.8 3.8 4.0 3.5
900 700 600 500 450 350 300 250 200
1.9 1.8 2.1 2.1 2.4 2.3 2.6 2.5 2.2
600 500 400 355 315 250 200 180 160
1.2 1.3 1.4 1.5 1.7 1.7 1.7 1.8 1.8
400 300 250 224 200 160 140 110 100
0.7 0.7 0.7 0.8 0.8 0.9 0.8 0.8 0.8
5/16
3/8
900 780 710 560 450 400 315
7/16
1/2 5/8 3/4 7/8
1
Finish Cut
Hardness
<20 HRC
20-30 HRC
30-40 HRC
40-50 HRC
6AL-4V 17-4 PH H13 (HRC38) P20, D2 Beryllium Copper
H13 (HRC45) Inconel 718 Hastelloy Waspaloy
1045 1055 Cast Steel Cast Iron
15-5 PH 4140, 4340, 304, 316, 410, 420, 430 A1
Work Material
Cutting Speed
80-100 SFM
50-65 SFM
35-45 SFM
20-30 SFM
a a=1.5D a r= 0.1D
Depth of Cut
Speed RPM
Feed in/min
Speed RPM
Feed in/min
Speed RPM
Feed in/min
Speed RPM
Feed in/min
Mill Dia.
1/4
1,400 1,100
5.9 6.6 6.3 7.0 6.7 6.3 5.1 6.0 5.3
900 700 600 500 450 350 300 250 200
3.1 3.3 3.5 3.7 3.6 3.5 3.2 3.7 3.0
600 500 400 355 315 250 200 180 160
2.0 2.4 2.3 2.7 2.5 2.5 2.1 2.7 2.4
400 315 250 224 200 160 140 110 100
1.1 1.2 1.2 1.4 1.4 1.5 1.5 1.6 1.4
5/16
3/8
900 780 710 560 450 400 350
7/16
1/2 5/8 3/4 7/8
1
osgtool.com
1412
End Mill Technical
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