Thanks for all the sound advice but I'm not very good at sharpening lathe tools & I know you have to sharpen to the correct profile. Among my tools is a tool like a penknife with quite a few blades with different size teeth are these the profiles for different threads or some other purpose? E.W. ----- Original Message ----- From: "Alan Stepney" <alan@xxxxxxxxxxxxxxxx> To: <modeleng@xxxxxxxxxxxxx> Sent: Sunday, November 25, 2007 6:59 PM Subject: [modeleng] Re: Screwcutting >A good idea. > > Seeing it done is worth far more than all the words on here. > Then comes the interesting part: trying it for yourself. > > In fact, that is the best way to learn. Take a nice piece of scrap, around > 1/2" diameter, then turn down and thread to chosen size. Make sure you > have > a nut of that thread, and you will soon see when the thread is the correct > size for the nut to fit. > Alan > ----- Original Message ----- > From: "Eric Walker" <eric@xxxxxxxxxxxxxxxxxxxxxxxxxx> > To: <modeleng@xxxxxxxxxxxxx> > Sent: Sunday, November 25, 2007 3:40 PM > Subject: [modeleng] Re: Screwcutting > > > Hello Alan , I have read all the mail concerning screw cutting & I think I > will get someone to show me how. > > E.W. > > 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. > -- I am using the free version of SPAMfighter for private users. It has removed 246 spam emails to date. Paying users do not have this message in their emails. Get the free SPAMfighter here: http://www.spamfighter.com/len 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.