Quote Originally Posted by mklotz View Post
Would make more sense to use all that shop time to make a boring head.
Sure, if you need big holes. How about smaller holes? I remember, long ago, some one showing how to make small drill bits out of music wire. Mostly spade bits, which are not the best thing for drilling in metals, but there has to be a way to do it. I tried a search for "making miniature drill bits" and got lots of info on pin vises, but this was the only how they're made video I saw on tiny drill bits:
Though I must admit I didn't look very far.