RE: bottoming taps (was TR7 BFH#24-d)

[Randall Young <ryoung@NAVCOMTECH.COM>]

Actually, even a bottoming tap has a slight taper on the first one or two 
threads.  You can see a comparative diagram at the bottom of
http://param.mcmaster.com/asp/ss.asp?FAM=handtaps&FT_158=2844

Randall

 Chad & Ariane Jester wrote:
> A bottoming tap is the same diameter
> over its entire length, unlike a plug or starter tap.