I would agree, my Machinery's Handbook says Head Diameter for 5/8 is 0.938
Mike
"Bob S." wrote in message
news:40fbe8cb_2@newsprd01...
> The Head dimension for a 5/8 UNC on my trusty old HOLO-CHROME Socket Screw
> Selector Chart is listed as 15/16" MAX (0.9375"), leading me to believe
Neil's data is correct.
> What chart's did you use?
>
> Bob S.
>
> "Neil Munro" wrote in message
news:40fbe12a$1_1@newsprd01...
> > Wow, that's old. Someone (Sean?) actually modified my part so I can at
least
> > spread the blame. I would have used dimensions from the Machinery's
> > Handbook.
> >
> > Neil
> >
> >
> >
> > "jptuttle" wrote in message
> > news:22431377.1090245441493.JavaMail.jive@jiveforum2.autodesk.com...
> > > Neil,
> > >
> > > Not to change the subject, but I downloaded an Ipart that you did for
> > SHCS-English-UNC. My question to you...just where in the heck did you
come
> > up with the HEAD DIAMETER dimensions????? Not to discredit you ability
or
> > anything of such...just trying to understand where you got your
information
> > from. They DO NOT coinside with English-UNC dimensions that I am
familiar
> > with. What gives?
> > >
> > > I.e., I first noticed this slight error when I inserted a 5/8-unc and
the
> > head dia. was .930 inches, when, according to any chart I look at, says
it
> > should be .875 inches. Why the differnece?
> > >
> > > Thanks in advance for your help,
> > > Jay
> >
> >
>
>