Monster Tool Company 4 (0.2090) Carbide Stub Drill AlTiN, Diameter: 4, Number of Flutes: 2, Single End, Right Hand Cut, Included Angle: 135-Degree, Overall Length: 2-3/8, Shank Diameter: 0.2090, Application: Precision drilling in cast iron, stainless steel, tool steel, titanium and nickel alloys. AlTiN, MPN: 68778, PKG QTY: 1 PC