Monster Tool Company 11.5mm (0.4528) Carbide Stub Drill AlTiN, Diameter: 11.50, Number of Flutes: 2, Single End, Right Hand Cut, Included Angle: 135-Degree, Overall Length: 88, Shank Diameter: 11.50, Application: Precision drilling in cast iron, stainless steel, tool steel, titanium and nickel alloys. AlTiN, MPN: 68828, PKG QTY: 1 PC