I thought this was cool

[John Barker]

Let's you calculate spindle speed and feed rates.
http://www.custompartnet.com/calculator/milling-speed-and-feed
-John

 

[Jeff Pearce]

That is cool Thanks for the link...

 

[Rudy Joly]

Other useful charts all in one place.

Thanks John,

Rudy

 

[John Barker]

Lots of good stuff on that sight.
-John