Old 05-22-19, 04:51 PM
  #50850  
curbtender
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Originally Posted by cdmurphy View Post
I think they mean the taps themselves when they say "Dental Knife". They have teeth ("dental"), and they cut ("knife"). It seems they were listing common uses for the bottom bracket tap: 1)Damage from the bottom bracket itself, 2)Threads have burrs, 3) Threads aren't deep enough, 4)Threads are mis-aligned, 5)Threads are full of paint residue.

The giveaway was them talking about the "dental knife" having titanium on the outside -- That's the gold color to the taps -- a thin layer of Titanium Nitride, a very hard ceramic coating that improves wear and cutter life.
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