I buy mine from ESR (reground tungsten carbide reduced shank):
http://www.esr.co.uk/electronics/products/frame_pcb.htm
Leon
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Leon Heller
G1HSM
http://www.esr.co.uk/electronics/products/frame_pcb.htm
Leon
--
Leon Heller
G1HSM
Message
Re: [Homebrew_PCBs] Good place to get PCB drill bits?
2012-11-23 by Leon Heller