5/8" Dia, 2-1/8" LOC, 4" OAL, .190" Corner Radius M.A. Ford Corner Radius End Mill, manufacturer part number 27862539B.
Specifications: Cutting Diameter: 5/8 in (0.6250 in); Length of Cut: 2-1/8 in; Overall Length: 4.0000 in; Corner Radius: 0.1900 in; Shank Diameter: 5/8 in; Number of Flutes: 5; Helix Angle: 40 degrees; Shank Type: Straight; End Type: Corner Radius.
Material: Solid Carbide. Coating/Finish: ALtima Blaze. Series: TuffCut XT. Unit of measure: Inch.