1/4" Dia, 5/8" LOC, 3-1/2" OAL, .030" Corner Radius M.A. Ford Corner Radius End Mill, manufacturer part number 15725003A.
Specifications: Cutting Diameter: 1/4 in (0.2500 in); Length of Cut: 5/8 in; Overall Length: 3-1/2 in; Corner Radius: 0.0300 in; Shank Diameter: 1/4 in; Number of Flutes: 6; Helix Angle: 45 degrees; Shank Type: Straight; End Type: Corner Radius.
Material: Solid Carbide. Coating/Finish: ALtima Xtreme. Series: TuffCut DM. Unit of measure: Inch.