"Joe AutoDrill" wrote in
message news:UdTxj.9470$Dz4.4447@trnddc01...
UGH. Mercury is the coolant - a metal
liquid. Likely very active.

Not the case. Secondary discussions indicate
that the mercury will exit the hole I drill,
not be sprayed onto the surface as I drill...
--

Kinda OT, but there is a drill and mercury
involved.

Old gunsmith trick for drilling holes in HARD
parts. Heat the drill bit to red, quench
in mercury. I would suspect that if caught
doing it in this day and age the eco-police
would frown.