The 8" bench grinder I just bought at my local pawn/gun shop for a fraction of what it cost new has a V-shaped slot in the rest in front of one wheel that's the proper angle for drill bit sharpening. It works great!
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!