MA Ford 78025004 1/4 6-FLute, Chatterless Carbide Countersink 100-Degree, Diameter: 1/4, Shank Diameter: 1/4, Overall Length: 2, Included Angle Degree: 100, Base Material: Carbide (steel shanks on tools 3/8 diameter and larger), Number of Flutes: 6, MPN: 78025004, PKG QTY: 1 PC