Seco Niagara Cutter 17002324 Elite S738 High Performance Medium Length Multi-Flute Non-Center Cutting Single End End Mill, 3/8 in Dia Cutter, 0.005 in Corner Radius, 1 in Length of Cut, 7 Flutes, 3/8 in Dia Shank, 3 in OAL, AlTiN Coated