Quote Originally Posted by Ricardoco View Post
Well the other way around exists IE 6mm shank 3mm endmill in fact do a search on ebay for 6mm shank endmill and you will see plenty of different size cutters with a 6 mm shank.. If that is any help..

Rick
Yes, but those 'other way' cutters tend to be very expensive...to give you an idea, the 3.175mm shank drills I use (which are perfectly fine) are about 60p each....

10pcs 0.8mm/ PCB Print Circuit Board Carbide Drills Bit End CNC Jewelry | eBay


...not much heartache when one of those snaps, but a 6mm shank/0.8mm dia drill....well, if it even exists, I'd be a broken man if it snapped!