
Helical Mills M390 SD1204... Max depth of cut: 17mm
Lead angle: 90° Indexes per insert: 4 Diameter: 50–80mm
Pages: K4–K9
P M K
S H
| Slot Milling | Contouring | Profi ling |
| ae = 1 x D1 | ae = 0,25–0,4 x D1 | ae = <0,25 x D1 |
| Ap1 max = 0,6 x D1 | Ap1 max = 1 x D1 | Ap1 max = Ap1 max |
ae = >0,4 x D1 Ap1 max = 0,6 x D1
*Not recommended in ISO “H” materials. *Not recommended in ISO “H” materials.