GUHRING 9042500158700 Carbide End Mill, Vari Helix, Dia. 5/8 In. More details: Carbide End Mill, Variable Helix, Grade DK4460UF, List Number 4250, End Style Corner Chamfer, End Square, Diameter 5/8 In, Shank Dia. 5/8 In, Length of Cut 2-1/4 In, Overall Length 5 In, Number of Flutes 4, Cutting Type Center, Cutting Direction Right Hand, Helix Angle 35/38, Finish FIREX, Application Finisher