Kerosene works great for cutting aluminum, and it is cheaper than WD40, even when you buy it in bulk.
toggle quoted message
Show quoted text
Years ago, maybe here or one of the other groups, someone recommended using WD-40 as a coolant/lube when cutting Aluminum.
I have done so ever since because I have found that I seem to have fewer problems than when using it rather than other stuff.
Just my $0.02 Your mileage might be different!
Dave