>I recently made up a web page with information about threaded
>fasteners to make it easier for me to find.
>See: http://www.prc68.com/I/Fasteners.shtml

Hmm, looking through the metric table, I see you call out the same tap drill 
sizes for course and fine threads. I was interested in this having recently 
gone looking for tap drill sizes for M5.

Two pages I found give slightly different tap drill sizes for fine and 
course.
see http://www.csgnetwork.com/screwmetmachtable.html and 
http://www3.telus.net/public/aschoepp/tapdrill.html for what I found. 

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