In machining hard work materials, the back rake angle must be small, even negative for carbide and diamond tools. For high-speed steels, a back rake angle is normally chosen in the positive range. The ...

I made a handle for a new tool out of palm wood and red oak. It isn't perfect, but I learned a lot. What do you think?

turning and boring tools, broaches, form tools, burrs, counterbores and countersinks, and other specialty cutting tools for materials such as high-speed steel, different carbide grades, and industrial ...