Corner Radius End Mill: 5/16" Dia, 5/8" LOC, 0.02" Radius, 4 Flutes, Solid Carbide 4" OAL, 5/16" Shank Dia, 38 ° Helix, AlTiN Coated, Single End, Centercutting, Series End Mills for Steels & High Temperature Alloys - Corner Radius - 4 Flute - Variable...