MA Ford 78062506 5/8 6-FLute, Chatterless Carbide Countersink 120-Degree, Diameter: 5/8, Shank Diameter: 3/8, Overall Length: 2-3/8, Included Angle Degree: 120, Base Material: Carbide (steel shanks on tools 3/8 diameter and larger), Number of Flutes: 6, MPN: 78062506, PKG QTY: 1 PC