Seco Niagara Cutter 17001843 Stabilizer HT STR440 Center Cutting Short Length Single End End Mill, 3/8 in Dia Cutter, 0.03 in Corner Radius, 7/8 in Length of Cut, 4 Flutes, 3/8 in Dia Shank, 2-1/2 in OAL, AlTiN Coated