Seco Niagara Cutter 03116009 Elite SCS938R High Performance Medium Length Multi-Flute Non-Center Cutting Single End End Mill, 3/4 in Dia Cutter, 0.03 in Corner Radius, 2-1/4 in Length of Cut, 9 Flutes, 3/4 in Dia Shank, 5 in OAL, AlTiN Coated