Kennametal recently released its newest helical milling cutter, the Harvi Ultra 8X. Using a 95 mm (3.74 in.) axial depth of cut, 20 mm (0.78 in.) radially, and a feedrate of 423 mm/min (16.65 ipm), the 80 mm (3.15 in.) diameter Harvi Ultra 8X helical milling cutter from Kennametal recently worked through a difficult aerospace superalloy.