Pierre, when I "blue" screws, I usually hold them in a pair of pliers and hold them in the flame of a Propane torch until they turn Blue and then quickly drop them in a can of used Motor Oil. They come out with a very lovely and uniform Blue color. Al Messer --- Pcx <pierre.courbouleix@xxxxxxxxxx> wrote: > I have a batch (80-100) of M2 x 8 and M3 x 10 screws > to "blue". What is the procedure to use , (I know > how to blacken parts), to get a nice blue, > especially for those small parts ? > PIerre > > pierre.courbouleix@xxxxxxxxxx > This e-mail is intended for the adressee(s)only and > may contain info that is the property of, and/or > subject to a confidentiality agreement between the > intended recipients.If you have received this e-mail > in error, please contact the originator of this > e-mail via e-mail and delete copies from your > computer or network. > Misuse of the content of this e-mail message may > violate the Laws of your Country > > 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. > __________________________________ Yahoo! Mail - PC Magazine Editors' Choice 2005 http://mail.yahoo.com 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.