Unfortunately I dont even have a drill press at the moment but I see your point re plastic threads.
I use it as a last resort to get a mower going though and only on peripheral bits or dress items and metal mend isnt too bad.
A Tap and Die set is very high on my list of stuff, I miss the set I had.
BRRRRRRRRRR Rattle rattle rattle PTUI! rrrrrrr cough cough cough................. Silence.......... Creak mutter mutter NOW where did that %#$*&^%$# blade go?