MA Ford 78050003 1/2 6-FLute, Chatterless Carbide Countersink 90-Degree, Diameter: 1/2, Shank Diameter: 3/8, Overall Length: 2-1/8, Included Angle Degree: 90, Base Material: Carbide (steel shanks on tools 3/8 diameter and larger), Number of Flutes: 6, MPN: 78050003, PKG QTY: 1 PC