5/8" Dia, 3/4" LOC, 3-1/2" OAL M.A. Ford Square End Mill, manufacturer part number 13662500.
Specifications: Cutting Diameter: 5/8 in (0.6250 in); Length of Cut: 3/4 in; Overall Length: 3-1/2 in; Shank Diameter: 5/8 in; Number of Flutes: 2; Helix Angle: 45 degrees; Shank Type: Straight; End Type: Square.
Material: Solid Carbide. Coating/Finish: Uncoated. Series: TuffCut AL. Unit of measure: Inch.