thanks for you reply, I had a quick look (quite a long look actually lol) and found this, is this what you are referring to?
https://www.homebase.co.uk/rust-oleum-black-satin-paint-250ml_p125051
the letters that I am engraving will be tiny obviosuly, would you recommend something like a mini...
I am engraving dog tags and then want to blacken them. I have seen it done with mastergraves 'blacking fluid for aluminum' but the black is not that solid and bold.
is there another way guys? I should stress we need to be able to do it quickly and clean ie we will be doing in batches of 50 at a...