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G10, FR4?

Both are common circuit board substrates. Drilled, milled, and now laser cut countless times every day.

I have been making PC boards at home for over 30 years. I lately use true PC board drills with the 1/8in shank but before that I just used standard carbide bits and still do for any hole over 1/16in.

Never really had any issues other than the bit dulling after about 1000 holes or so. But that's a very rough estimate.


Edits: 12/14/17
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  • G10, FR4? - gusser 12:18:15 12/14/17 (2)
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