Woodworking Talk banner
1 - 1 of 1 Posts

·
Registered
Joined
·
801 Posts
The way I Understand it is the TiN coating is supposed to improve edge retention. My Guess is that they use it on the "cheaper" tool steels..... I've seen some better edge holding with the coating, but it is where it wears first. a Good set of Cobalt drills will last longer IMHO
 
1 - 1 of 1 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top