TFOX, some gremlin stole my toolbox the first year I was out of work, so I don't have my handbook any more. Oughta get me another one because it was my security blanket for years and years. But I do know how hot and blue those steel chips were, coming off the milling machine when I had my fly cutter revved up, hogging off a quarter inch at a pass. I've got the burn scars on my arms to prove it.[:@]