carbide bushings

Hey Butch,
What is under the TiN coating?
I use them because of the TiN coating on Uni-bits. I used to go through 1 or 2 Uni-bits a year........Way better than standard uni-bits... For electrical stuff......
 
Tim,
I can't speak too much about the nitrided bushings. I use to be in the carbide bushing business. I saved 9 sizes for each of the calibers that I shoot, 22, 243, 6.5, and 30 cal. They are diamond polished and do not scratch the necks.
 
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