I bought afew neo's from Forcefield awhile back and they sent
a warning with the shipment:

Do not attempt to drill, cut, or machine these until doing some
research.  They are brittle, so odds are, as soon as you try, the
magnet will break.  They also lose their field when overheated
(200-300deg F. depending on the magnet).  If overheated
too much, they burn, super hot, and super fast, like magnesium.
The fumes given off by combustion are extremely toxic.  If you
were to try dilling these, the dust will build up on the bit, and
one spark could set it off, so...DON'T TRY!

They also recommend gloves when handling these magnets.
Also obviously keep away from computers, monitors, tv sets,
cassette tapes, floppy discs, and people with pacemakers.

Meredith Lamb






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