Tool Coatings
Cutting Tool Coating Guide: TiN, TiAlN, AlTiN, and DLC
Select coatings based on heat, friction, workpiece material, and whether coolant is used.
5/5/2026•By CAGO technical team
Coating TiAlN DLC

Coatings improve wear resistance and heat control, but no coating fits every job. TiN is a general-purpose option, TiAlN and AlTiN suit hotter steel applications, and DLC is often useful for aluminum and sticky non-ferrous materials.