On 24/03/2021 18:51, Bert Coules wrote:
The Natural Philosopher wrote:

I think they are the same - that small one looks exactly like what I
have.

Thanks.Â* Does a 6mm core drill need a central pilot bit?Â* Nothing seems
to be included in that Amazon listing.Â* I'll check elsewhere.

No. And therein lies the problem. They wander like buggery until you get
them started, then they stay in the groove

One way to sort that is to make a 6mm hole in something and use that as
a jig pressed against the wall.

Or a steady hand and very light pressure to get the hole started.


--
All political activity makes complete sense once the proposition that
all government is basically a self-legalising protection racket, is
fully understood.