In Reply to: Optimum speed for drilling pc boards??? posted by grhughes on May 27, 2012 at 08:30:13:
Speed Controllers are available; even a large Variac will help slow down a Dremel. In order to save the copper traces, I would drill through them first. I might even tape the traces with tape; for some more protection.
I would also use a pilot bit first. About 1/32" or 1/16" are safer than hitting the PCB with 1/8" bit. Good Luck...
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- Slow and Steady Wins the Race... - Interstage Tranny 17:20:43 05/27/12 (0)