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.
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