On 18 Aug 2008 at 12:42, Eric Smith wrote: > I've done that using a length of copper tubing and a hammer. Through 1/8" PCB? It's easy enough to that with 1/16" stuff, as there's quite a bit of the "collar" that protrudes, but there's scarcely anything at all sticking through with the thick board. That tubing must have been tiny and thinwall. Cheers, Chuck