Corner Radius End Mill: 3/8" Dia, 1/2" LOC, 0.03" Radius, 3 Flutes, Solid Carbide 4" OAL, 3/8" Shank Dia, 40 ° Helix, Zplus Coated, Single End, Centercutting, Series End Mills for Aluminum - 3 Flute - Corner Radius - 400 Helix - Variable Pitch - Reduced...