HI guys, I have been lurking around here for awhile reading interesting posts and gaining knowledge.
My question is, what is the "proper" type of oil for heat treating andhardening small punches and buttons and so on. I have had a machinest at work tell me "you want to use a high sulfur based oil".(<- All I know is when I used a high sulfur based oil to harden with it STUNK like you know what!?) So, I guess what I'm asking is, what type of oil is the correct oil? Can motor oil be used? Thanks, Tracy
My question is, what is the "proper" type of oil for heat treating and