Adam Bradley wrote:
> Afternoon all.
>
> I've made a couple of attempts at etching/drilling and have had a few
> tracks lift during drilling.
>
> I've always lacquered before drilling and I'm beginning to think this
> should be left until after I drill.
>
> Any other issues that could be causing this? I suppose the key is
> super sharp bits. PS: I'm using a 20k RPM 'dremel' like tool and non-
> tc drill bits (yet). Have yet to find a source for them in Australia.
Farnell have them and Radio Spares might. They all have 1/8" shank.
A board house will give you some if you ask right;)
Mektronics in melbourne might have some:
http://www.mektronics.com.au/http://www.computronics.com.au/tools/With the thin steel drills, you might as well be boring
with a knitting needle.