タップマジック切削油、ProTapナノフォーミュラ、4オンス

This stuff cuts through stainless steel like butter without any smoke or smell, which is a huge plus in my small shop. I like that it’s biodegradable, so I don’t feel guilty about the mess on my bench.

I’ve been using this cutting fluid on stainless steel and it stays put in the threads, not running off like other formulas. The biodegradable aspect is a big plus for me, since I clean up with just soap and water now. Works smoothly and cuts cleaner than my old tap oil.

Tapped a dozen holes in aluminum and steel this afternoon, and this fluid stayed put without making a mess on the bench. The biodegradable formula is a nice bonus, since I don't worry about it dripping onto the garage floor. One 4oz bottle lasts way longer than I expected for small jobs.