5/8" Dia, 1-5/8" LOC, 3-1/2" OAL Fullerton Square End Mill, manufacturer part number 38168.
Specifications: Cutting Diameter: 5/8 in (0.6250 in, 15.88 mm); Length of Cut: 1-5/8 in (1.6250 in, 41.28 mm); Overall Length: 3-1/2 in (3.5000 in, 88.90 mm); Shank Diameter: 5/8 in (0.6250 in, 15.88 mm); Number of Flutes: 5; Helix Angle: 45 degrees; Double Ended: No; Color: Violet-Gray; Length Type: Standard; Coolant Option: External Coolant; End Type: Square; Hand Direction: Right; Helix Direction: Right.
Coating/Finish: TiAlN. Unit of measure: Inch.