9 Piece boring bar set features C-6 carbide for use in harder materials but also works great in aluminum and other soft metals. Shank Diameter- 3/8". Minimum Boring Range: 5/16" - 7/16". Overall Length: 2" to 3-1/2". Boring Depth Range: 3/4" to 2-1/4".
This carbide-tipped boring tool is a game-changer for any industrial and scientific drilling needs. The effortless boring capability and the quality of the cuts are amazing. The superb accuracy and precision guarantee excellent results on any material. One con is that it comes with a high price tag, but it is worth every penny. Overall, highly recommended for professionals who value efficiency and accuracy in their work.
I was very happy with them at first, I haven't had them for a very long time and now they are I already broke two tips. I will not buy these again. I would like something similar, only better.