Seco Niagara Cutter 17002210 Elite AN340 Center Cutting High Performance Single End Stub Length End Mill, 5/8 in Dia Cutter, 0.025 in Corner Radius, 3/4 in Length of Cut, 3 Flutes, 5/8 in Dia Shank, 3-1/2 in OAL, TiCN Coated