Harold & Susan Vordos wrote:

"Statics" wrote in message
news:5Fzub.461$b64.76@okepread02...
I bought several packages of their diamond cutoff wheels, they last a
while
as long as they are not overheated. Bought two or three blister cards of
5
over a year ago when they were on sale, I am only on my second disc (light
use only or where I need
the thinnest kerf possible, otherwise I use a bigger tool). I killed the
edge of
first disc working too hard at cutting a hardened parting tool. For the
price, I am impressed.

I have my doubts about the other ones, several of the diamond sets I have
inspected had visibly eccentric tips or were worm shaped.

StaticsJason

Diamond tools run at elevated speeds should not be used on anything
containing iron. You'll find that these tools will hold up quite well
cutting things like rock, but not well at all on steel of pretty much any
kind. Reason? Diamonds are, of course, carbon, and iron has an affinity
for carbon, so at elevated temperatures the diamonds tend to dissolve into
the steel you're trying to cut. That dulls the diamonds rapidly, leading
to higher temperatures, and, of course, faster dissolution of the diamond.

Harold

Most of what you said as an explanation is not true. I have
no idea what a dissolute diamond is but many dissolute
people seem to be attracted to diamonds.