FWIW, Al, I've heard that keeping the file teeth well covered with blackboard chalk will help. Charles > Gentlemen! Is there a fool-proof way to keep a file > from pining when filing mild Steel? It is the > absolute pits to be almost finished a filing job and > have the file to pick up a pin and gouge a scratch > that has to be worked out of the finished surface. > > Al Messer, (94 degrees F. today) MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.