Chamfer from the Humm Edge series.
A line of end mills equipped with 5 blades with straight cutting edges. The tool has a high helix angle of 40 degrees. The use of sintered carbide covered with a PVD M-Lox coating makes the Humm Edge chamfer suitable for high-speed machining.
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| Dc | Dc1 | Ds | Lr | Lc | Z | Article No. |
| 12.00 | 3 | 12.00 | 4.50 | 83 | 5 | 870.120.00 |
 | Material | Chamfering speed Vc (m/min) | ø12 – Feed (mm/tooth) |
| Carbon and alloy steel | 70 – 120 | 0.025 – 0.080 | |
| Hardened steel | 20 – 30 | 0.020 – 0.070 | |
| Stainless steel | 20 – 40 | 0.025 – 0.080 | |
| Cast iron | 80 – 130 | 0.030 – 0.080 | |
| Aluminum alloys | 130 – 170 | 0.030 – 0.180 |
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