On Monday, September 25, 2017 at 8:06:56 PM UTC-4, Ignoramus4881 wrote:






Tom has a great sense of humor. I am windering if I can just use
hydraulic oil for cutting. I have large quantities of it and even burn
it for winter.

Any thing is better than nothing. Your hydraulic oil is not going to be the best possible, but will probably be about 90 % of the best possible oil/coolant.

Dan