Seco Niagara Cutter Roughing End Mill, Center Cutting Corner Chamfer High Performance Short Length Single End, Series: Elite SR420, 1 in Diameter Cutter, 5 in Overall Length, 2 in Length of Cut, 5 Flutes, Fine Pitch/Spiral Flute, 1 in Shank Diameter, Right Hand Cutting Direction, 20 deg Helix Angle, Weldon Flat Shank, ANSI Code: SR420-1.000-D2-C025.3-Z5, ISO Code: SR4201.00D2C025.3Z5, Solid Carbide, AlTiN Coated