Seco Niagara Cutter 10008565 Elite S Series STR440.2 Short Length Corner Radius End Mill, 1/4 in Dia Cutter, 0.02 in Corner Radius, 1/2 in Length of Cut, 4 Flutes, 1/4 in Dia Shank, 2-1/2 in OAL, HTA Coated