[Fusion_Clint]

Originally Posted by mman1506

I'd disagree. The water cooled spindle has less run out than the router. When your working with small end mills at a high RPM it can make a big difference with how fast your feeds are and tool wear. I've run machines with both and I definitely prefer the proper spindle.

Edit: The water cooled spindles are also much much quieter.

How does that compare to a non-water cooled spindle like the HSD 3HP we have?