Seco Niagara Cutter 17000065 Elite SN335 Center Cutting High Performance Single End Stub Length End Mill, 3/8 in Dia Cutter, 0.02 in Corner Radius, 1/2 in Length of Cut, 3 Flutes, 3/8 in Dia Shank, 4 in OAL, AlTiN Coated