Homebrew PCBs

On 15-May-12 15:10, Howard wrote:
> 
> 
> Hi Zoran
> Just had a look at the Proxxon TBM 220
> It's top speed is only 8500 rpm, is this speed
> any good for tungsten carbide bits ?
> 
> Howard 

I use it all the time. Drilled couple thousand holes 0.7 mm dia.

HTH

-- 
Best Regards,
Zoran A. \u0160\u0107epanovi\u0107
zastos@...
http://zastos.com
+381 63 609-993

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Profanity is the one language understood by all programmers.