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- Shell end mills, semicoarse teeth, type N
620973
High-speed steel HSSE
Cutting conditions
Material |
Strength |
Ap |
Ae |
Vc |
fz(mm/z)
Ø 40 |
Ø 50 |
Ø 80 |
Ø 100 |
Ø 160 |
| P.1 | Free-cutting steels, general construction steels |
≤ 600 N/mm² |
0,8xl1 |
0,75xD |
30 |
0.08 |
0.085 |
0.1 |
0.11 |
0.12 |
| P.2 | General construction steels, steel castings |
≤ 850 N/mm² |
0,8xl1 |
0,75xD |
26 |
0.08 |
0.085 |
0.1 |
0.11 |
0.12 |
| P.4 | Heat treatable steels |
≤ 900 N/mm² |
0,8xl1 |
0,75xD |
20 |
0.08 |
0.085 |
0.1 |
0.11 |
0.12 |
| K.2 | Cast iron (> 240 HB) |
> 800 N/mm² |
0,8xl1 |
0,75xD |
17 |
0.08 |
0.085 |
0.1 |
0.11 |
0.12 |
Calculations of cutting conditions
Product attributes
Straight bore with standard keyway and driving slot according to DIN 138.
Universal usage. Suitable for materials up to strength 900 MPa.
Feed direction possibility
Norm ČSN 222052.
Helix angle = 35°.
Rake angle = 12°.
Cast steel with very high performance and good toughness, applicable especially for tools of bigger diameters and side and face milling cutters.
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