1/2" Dia, 5/8" LOC, 2-1/2" OAL M.A. Ford Square End Mill, manufacturer part number 16450000C.
Specifications: Cutting Diameter: 1/2 in (0.5000 in); Length of Cut: 5/8 in; Overall Length: 2-1/2 in; Shank Diameter: 1/2 in; Number of Flutes: 2; Helix Angle: 30 degrees; Shank Type: Straight; End Type: Square.
Material: Solid Carbide. Coating/Finish: TiCN. Series: TuffCut GP. Unit of measure: Inch.