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Michael, I have had the same problem finding accurate specialty
diamond tools. What I have ended up doing is having the tool blank
made at a local machine shop then having a diamond plating company
plate the tool. It is quite expensive, averaging $75 USD per tool,
but I get a precision tool with less than .001 run out at the end of
a 2.75 inch tool spinning at 3,000 rpm. $75 USD usually covers the
machining, plating, and shipping. It gets less expensive when you
make quantities of 100. Larger tools may be more expensive. You
will have to do the research. I cut many expensive gems with these
tools therefore the cost is actually minimal when compared to the
finished product. Specialty products usually are better made than
the mass production, run smoother and last longer.
Gerry Galarneau ggwcr AT cox.net www.galarneausgems.com First competition
of the year is Tucson September 5-8. We will be at the
Holidome, Barcelona Room.