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- double-layer coating
- rake face AlCrN + flank TiN
- PVD-technology
- 2 coloured: dark grey + golden
- high Al-content
- exellent visibility of wear land
- significant high oxidation resistance
- very high hot hardness
- low tendency to adhesion of workpiece material
- recommended for high cutting speeds
- recommended for high cutting temperatures
- recommended for steels of hardness up to 45 HRC
- recommended for face milling and mould and die applications
- coating designation letter: QN
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