If you choose the cut/drill/tap method be very sure the first hole you drill (a small one) is exactly on center. It's almost impossible to get an off center hole straightened up again. "Been there- - - -done that"
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!