Monster Tool Company 7/8 x 1/2 82-Deg. 3FL Carbide Countersink, 75197, Designed for general purpose countersinking, chamfering and deburring in most ferrous and non-ferrous materials, Diameter: 7/8, Number of Flutes: 3, Single End, Right Hand Cut, Included Angle: 82 2-15/16 1/2, Material Base: Carbide, Material Construction: Brazed, Finish / Coating:, MPN: 75197, PKG QTY: 1 PC