Niagara Cutter N59815 Carbide Square Nose End Mill, Uncoated (Bright) Finish, Roughing/Finishing Cut, Non-Center, 30-Degree, 4-Flute, 1.5" OAL, 0.023" Cut Diameter, 0.125" Shank Diameter Miniature end mills create the intricate cuts needed for precision industries Four flutes produce a better finish than fewer flutes Carbide can run at higher speeds than high-speed or cobalt steel, offering increased wear resistance and high cutting temperatures Uncoated (bright) tools have no additional surface treatment or coating to retain miniature end mills tight tolerances Square nose end mills (also called square end) create sharp, unrounded cut