Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

In a message dated 22-Apr-02 21:05:04 Central Daylight Time, JanRwl@...
writes:

> Perhaps not if you use a CARBIDE blade of at least 4" in dia. with a SFM of
> at least 400 FPM

OOPS! Correction! 30,000 FPM!!!!!!!!!!!!


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