In article ,
Chris Eilbeck wrote:
It doesn't take too long to drill and file out an IEC hole in diecast
ali but if I had to do quite a few I'd look at using a collar on a
router moving in a template.

You'd use a router for this? What sort of bit and from where?

--
*Experience is something you don't get until just after you need it.*

Dave Plowman London SW 12
RIP Acorn