That's just if you want to match the actual leg style. A round stick of wood with a hole in the right spot would technically work :-)
I don't have a lathe, but when I run across one, I'll give it a go, or ask a friend.
I don't have a lathe, but when I run across one, I'll give it a go, or ask a friend.
But also I wonder if they didn't include some glue to hold that chair together originally. Screws in furniture are mostly just there to keep the thing together while the glue cures.
Things wear down, and about the only thing you can hope for is replaceable parts. Chair of Theseus, indeed!