Reply To: Hurco oil for polishing › Forums › Beginner Questions › Hurco oil for polishing › Reply To: Hurco oil for polishing October 27, 2019 at 4:07 pm #5747 Alan BalmerKeymaster @alanbalmer Look for “trombone oil”. I remember someone recommending this a few years ago. You’ll find several varieties on Amazon, including Herco. (Note the spelling). It will probably work as well as any other light oil, but don’t expect magic.