Thorin; Are sure about the SHS screws being M14?? M14 would be huge! Anyway, IPA would be a good lubricant for tapping brass. Of course you still have to go slow with that 0-80 tap.
Jeff S. On Thu, Dec 16, 2010 at 4:51 PM, Thorinn Marty <[email protected]>wrote: > > > Gentlemen and (if we are so lucky) Ladies: > First, the progress. I am getting couplers mounted on my steeplecab > and they perfectly came out to the correct height. Sometimes I get lucky. > > I am mounting S Helper 01295 couplers. (These were made for the Ore Cars > and > come four to a blister pack. The draft gear is very, very compact.) Don > recently informed me these that the mounting screws that come with the > couplers > are metric M14. I don't have an M14 tap. Plus the screws are too short for > my > needs. I went to the hardware store discovered 0-80 screws fit the holes. I > > returned to my model and drilled #56 holes. The 0-80 tap is doing a great > job > tapping the brass. I moisten the tap with my tongue, run it in to the > friction > point, add one-and-one-half revolutions, back out, remoisten, and repeat. > Eventually it breaks through. The 0-80 screw works great. > > My question relates to taping lubricants. I have always heard you should > use a > cutting lubricant. (Spit is one.) I am working with brass, not iron. Should > I > be using a true cutting oil? The web seems to think cutting oil should be > omitted when tapping brass. > > Viewpoints? Comments? > > Thank you, > Thorin > > P.S. "I started with nothing. I still have most of it left." I too will > miss > Larry. > > [Non-text portions of this message have been removed] ------------------------------------ Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/S-Scale/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/S-Scale/join (Yahoo! ID required) <*> To change settings via email: [email protected] [email protected] <*> To unsubscribe from this group, send an email to: [email protected] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
