I imagine a highly motivated individual with a decent surface grinder and a good setup could turn a standard tap into a thread mill.

But then again why? We both know there are advantages to be had, but if you aren't doing more than a few is it worth the extra work involved?

Quote Originally Posted by MichaelHenry View Post
4-40 and 2-56 have pretty darned small holes - are there thread mills small enough that can fit into the drilled holes?

Mike