5/16" (.3125") 3 Flute Carbide End Mill Radius .090" MF408124414
Diameter .3125" +.002" / -.003"
Corner Radius .090" +/-.005"
Length of Cut .875" +/-.125"
Overall Length 3.875" +/-.125"
Shank Diameter 1/2"
Added flat to shank