Posted 5/23/2018 20:31 (#6775620 - in reply to #6775572) Subject: RE: Collects for milling machine help.
NE WI
Yeah those are R8. The flat spots on the end mills are for the set screws if you use an end mill holder vs a collet. Missing collets can be ordered individually but probably cheaper to by a new set from Grizzley or Littlemachineshop.com