Holy micro lathe Batman.....
Don't go to the hardware store, I can make that..... not only that, but I can make the tool I need to make that!
It is however a slippery slope, but if you need to replace that tiny little screw, carburetor part, etc this is for you.
How to do it (no affiliation) just a devoted follower:
Have fun
Sorry, Can't upload photos, WAYNE.......