Quote Originally Posted by dfox1787 View Post
Drill aluminium mainly. However i would need collets that would fit say 2.5mm drill bits so the hole can be tapped. Myabe i just need some high quality bits for the cnc. Its just the high speed of the spindle that concerns me.
You don't need to Drill to get accurately sized and positioned holes, you can mill with an interpolated spiral tool path, a 2mm endmill will suffice for a 2.5mm hole, with air and lube it may be the ideal solution with a spindle with only high speed capability.