Engraving small text (steel and or aluminum): Stroke 100mil tall by 20 mil wide on a CNC mill

The engraving bits arrived. First attempt in steel is far from perfect but functional, what I learned:
1) Go slow.
2) Starting with a rusty piece of steel is not a great idea ;-)
3) Good thing this is a hobby, I could have purchased one of these for about $20, so my $/hr just set a new record low.;-)

Now I need to purchase some fine thread metric taps, I only have coarse thread at the moment.

This is a fun hobby!
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Use an engraving cutter which are readily available from such sources as MSC. Choose one that fits your requirements for width and depth of cut.
Simple as can be.
 
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