Seco Niagara Cutter 03043609 SN400R High Feed Non-Center Cutting Single End Stub Length End Mill, 3/8 in Dia Cutter, 0.0432 in Corner Radius, 0.018 in Length of Cut, 4 Flutes, 3/8 in Dia Shank, 3 in OAL, AlTiN Coated