Anodising isn't a deep coating, it's only about as deep as the microscopic surface texture of machined aluminium.
Typical values: Soft anodising 5-20µm Hard anodising 25-50µm 'As machined' roughness (Ra) for milling or turning 1-10µm
@gbj_tester started
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Anodising isn't a deep coating, it's only about as deep as the microscopic surface texture of machined aluminium.