"dpb" wrote in message
...
J. Clarke wrote:
Got the bright idea of using a 1/2" copper pipe union as a bushing and
then realized that I don't have a drill bit the right size. Looks like
it's a tight 11/16, an 18mm, or a slightly loose 23/32. Anybody know
offhand which one is right?

Will depend on whether it's M or L. Can't just is mic it???


I made a reply sooner about pipe size to clarify thing but I did not read
your post correctly. The inside diameter of your union is not 1/2" like I
though so it is a real 1/2" fitting measuring 5/8 inside. Since I saw the
tool you bought I know now what you want to do and I do not know the OD but
it will be obviously more than 5/8". I should have noticed when you talked
about 11/16. Sorry I just read too fast though my post on copper fitting
stand.

VD



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