For quick jobs on aluminium I use a block of paraffin wax rubbed in the teeth for similar less mess. Old candles are paraffin wax if you want to try it. Need to do it every 20 seconds or so.?
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I mostly cut aluminum and brass, so I didn't go with an oiler either, plus the mess of dealing with it. I use a wax stick made for cutting metal-?
It works well and isn't too messy. It does get in the blade brushes a little bit, but they still function.