Melin Tool AMG-M-M Carbide Micro Square Nose End Mill, Metric, Uncoated (Bright) Finish, 30 Deg Helix, 2 Flutes, 38mm Overall Length, 1mm Cutting Diameter, 3mm Shank Diameter 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 General purpose square end 30 Degree helix angle