Monster Tool Company 1/2 4FL 90-Degree Carbide Drill Mill, 62425, Five in one tool - Chamfering, Countersinking, Drilling, Side Milling, and Spotting, Diameter: 1/2, Number of Flutes: 4, Single End,Right Hand Cut, Included Angle: 90-Degree, Overall Length: 3, Length of Cut: 1, Shank Diameter: 1/2, Material Base: Carbide, Finish / Coating: Uncoated, MPN: 62425, PKG QTY: 1 PC