Cobra Carbide 23630 Micro Grain Solid Carbide Regular Length General End Mill, Uncoated (Bright) Finish, 4 Flute, 30 Degrees Helix, Ball Nose End, 1" Cutting Length, 1/2" Cutting Diameter, 3" Length (Pack of 1) Solid carbide tools offer long tool life and faster cutting speeds than other substrates, but are more brittle and must be used with rigid toolholding systems Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications Round shanks allow use with a wide variety of toolholding systems Center cutting geometry Designed for milling, slotting, profiling and trace milling