OK Dell - you obviously know your metalurgy! What is hard anodising? I thought anodising was, well - just anodising...
!
Hal.
I don't mate 😂 but I've fitted aftermarket brake calipers on motorcycles in the past & there been made from high quality aluminium with a hard anodised finish which you couldn't scratch with a screwdriver !
How they get that finish I've not got a scooby.🤔
Dell.