Corner Radius End Mill: 1" Dia, 2" LOC, 1/4" Radius, 3 Flutes, Solid Carbide 5" OAL, 1" Shank Dia, 35 ° Helix, Uncoated, Single End, Centercutting, Series End Mills for Aluminum - 3 Flute - Corner Radius - 350 Helix - Variable Pitch - Chipbreaker Rougher