DARWIN
PVD coatings

Recommended substrate material
HM, HSS
Characteristics
Very smooth AlTiN coating with high content of aluminum.
Application field
Intensive applications requiring very low roughness of the tool surface;
- drilling,
- deep drilling,
- threading,
- milling,
- reaming.
Basic properties of the coating:
Microhardness (GPa) Thickness (µm) Roughness Ra (µm) Thermal stability (C)
43 1 - 6 0,05 - 0,10 > 900