Monster Tool Company 4.0mm (0.1575) Carbide Twist Drill AlTiN, Diameter: 4.0, Number of Flutes: 2, Single End, Right Hand Cut, Included Angle: 118-Degree, Overall Length: 64, Shank Diameter: 4.0, Application: Precision drilling in: non-ferrous alloys, cast iron, plastics, aluminum and highly abrasive materials. AlTiN, MPN: 68415, PKG QTY: 1 PC