Monster Tool Company 3/16 82-Deg. Single FL Carbide Countersink, 67531, Designed for general purpose countersinking, chamfering and deburring in most ferrous and non-ferrous materials, Diameter: 3/16, Number of Flutes: 1, Single End, Right Hand Cut, Included Angle: 82-Degree, Overall Length: 2, Shank Diameter: 3/16, Material Base: Carbide, Material Construction: Solid, Finish / Coating: Uncoated, MPN: 67531, PKG QTY: 1 PC