Quote Originally Posted by WESTERNAERO View Post
You would need to make or modify the one side of the key.
See pics for fillet and no fillet.
Attachment 33610Attachment 33611
Quote Originally Posted by WESTERNAERO View Post
Another issue I have with cutting slots with a keyway saw is, you have a longer runout of the slot. Reducing the cross section thickness over a longer distance of the shaft. Making it weaker for a longer distance.
Got it, thanks!