Monster Tool Company 3/8 90-Deg. Single FL DE Carbide Countersink, 67608, Designed for general purpose countersinking, chamfering and deburring in most ferrous and non-ferrous materials. Economical double cutting ends., Diameter: 3/8, Number of Flutes: 1, Double End, Right Hand Cut, Included Angle: 90 2-1/2 3/8, Material Base: Carbide, Material Construction: Solid, Finish / Coating:, MPN: 67608, PKG QTY: 1 PC