On 06/05/2011 16:59, The Natural Philosopher wrote:


I did once years ago..low drill speed and lots of lube IIRC, or it melts
and clogs.


I found when I experimented on a lump of lead with an HS bit in a
cordless drill that swarf was thrown out in long ribbons, some of which
congealed round the mouth of the hole - a bit like candle wax.

I'm wondering whether to try using a bit in hand brace rather than an
electric drill, so as to drill *very* slowly. Is that likely to work?
--
Cheers,
Roger
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