Melin Tool CCMG-NC Carbide Micro Square Nose End Mill, Uncoated (Bright) Finish, 30 Deg Helix, 4 Flutes, 1.5000" Overall Length, 0.0625" Cutting Diameter, 0.125" 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 Square end 30 Degree helix angle