A TiAlN-based hard coating, especially developed for drilling under extreme conditions.
Where is SUPRAL employed?
Exceptional results during drilling, also with inferior cooling and tools without inner cooling. Outstanding results also during milling and forming, as well as drilling.
|Hardness:||3.500 ± 500 HV|
|Maximum application temperature:||800°C / 1.470°F|
|Coefficient of friction against steel:||< 0,5|
|Layer thickness:||2-4 µm|