Corner Radius End Mill: 3/8" Dia, 3/4" LOC, 0.02" Radius, 4 Flutes, Solid Carbide 4" OAL, 3/8" Shank Dia, 38 ° Helix, AlTiN Coated, Single End, Centercutting, Series End Mills for Steels & High Temperature Alloys - Corner Radius - 4 Flute - Variable...