Hello,
It's not a dumb question; such small centerdrills and C/S's DO exist.
But you are correct, for PCB work the hole is simply drilled in one
pass with a single bit.
The small tooling (C/D's and C/S's) is for machining other materials.
micro100 is one source.
Ballendo
--- In
Homebrew_PCBs@yahoogroups.com, "Mike Young" <mikewhy@s...>
wrote:
>
> Can I conclude, from the lack of choices for 1/8" shank center
drills or
> countersinks, that center drilling the itty-bitty PCB holes isn't
popular
> practice? Too dumb a question to bother answering?
>