|
I used to run a 20,000 ton press.
They changed the oil and filter every 5 years if that helps you.
I will say the oil they used and I used to top off the press was very thin, but at the time I wasn't into knife making, but it would have been a good quench oil.
Last edited by jimmontg; 05-31-2020 at 10:57 AM.
|