Quote Originally Posted by Al_The_Man View Post
Is it worth taking the chance?
Too late once its fried!
No its a Columbo atc. I can burn several hundred bits cheaper than replacing the spindle.

It uses an externally powered fan for cooling. It's mounted to a large aluminum plate as well. I've never had heat issues. But I rarely do long runs either.

It's never been hot enough that you couldn't hold your hand against it. No reason to start now.