Seco Niagara Cutter 02942296 MZN410R Center Cutting High Feed Short Length Single End End Mill, 1/8 in Dia Cutter, 0.03 in Corner Radius, 0.03 in Length of Cut, 4 Flutes, 1/4 in Dia Shank, 2-1/2 in OAL, AlTiN Coated