Carbide End Mill, List Number E5011, Type General Purpose, End Style Square, Single End, Diameter 3/4 In, Shank Dia. 3/4 In, Length of Cut 2-1/4 In, Overall Length 5 In, Number of Flutes 2, Center Cutting Type, Cutting Direction Right Hand, Helix Angle 30 Degree, Finish TiN, For Mild Steels, Soft to Medium-Hard Steels, Stainless Steels and Non-Ferrous Metals 2-Flute Carbide End Mills, Stub and Extended Cut, Square End30 helix angle Center cutting5011For slotting, drilling, pocketing, and general applications. Use with hardened and high alloy steels, steel casting, chill casting, malleable cast iron, CrNi- steels, brass, copper, and aluminum.