Monster Tool Company 4.5mm (0.1772) Straight Flute Carbide Drill, Diameter: 4.50, Number of Flutes: 2, Single End, Right Hand Cut, Included Angle: 140-Degree, Overall Length: 56, Shank Diameter: 4.50, Application: Capable of producing reamer type finishes in work hardened and abrasive materials. Designed for: chrome alloys, heat alloys, nickel alloys, titanium alloys, steel and stainless steel weldments. Uncoated, MPN: 69102, PKG QTY: 1 PC