Hi Joe,

Great thread and videos, it's really helping me in the planning of my CNC design. I've been watching your videos on routing aluminium and am thinking this would be a good cost saving way for me to go. I have the same router as you (Dewalt DW621) but mine only has a 1/4" collet, you mentioned yours has a 1/2" collet in your video - did you get an adaptor or fit a new collet? I don't think I would trust a 1/4" shank bit to be strong enough routing aluminium.

Keep up the good work!

Cheers!