Corner Radius End Mill: 3/8" Dia, 1/2" LOC, 0.5 mm Radius, 3 Flutes, Solid Carbide 4" OAL, 3/8" Shank Dia, 45 ° Helix, Uncoated, Single End, Centercutting, Series End Mills for Aluminum - 3 Flute - Corner Radius - 450 Helix - Chipbreaker Rougher -...