Corner Radius End Mill: 1/2″ Dia, 3/4″ LOC, 1/64″ Radius, 4 Flutes, Solid Carbide 3″ OAL, 1/2″ Shank Dia, 38 ° Helix, AlTiN Coated, Single End, Series Variable Helix End Mills for Free Machining Steels – Corner Radius