Quote:
Originally Posted by Whippet
We've been using these carbide hole cutters for bearing mount holes. I do recommend the hole cutter since it makes consistent holes in a drill press and bearings just slide right in there once you get the hang of drilling without applying a lot of force. |
We've used cutters like those and they work very well in aluminum. Our approach for bearing holes is a bit different. We use a 28mm cutter (a couple thousandths too small) and follow up with an adjustable reamer for a light press fit of the bearing.
There are so much more things to be worked on and are more beneficial to FIRST and FIRSTers than green dots by someone's name. - tiffany34990 [more] 
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