Chicago-Latrobe Heavy Duty Jobber Length Drill Bit, Series: 550ASP, Metric/Imperial, 0.224 in Drill - Metric, 0.2244 in Drill - Decimal Inch, 3.661 in Overall Length, 5XD Depth of Cut, 2 Right Spiral Flutes, 2.244 in Flute Length, Dia x 1.417 in L , Straight Shank, 135 Degree Tip, Split Point, Right Hand Cutting Direction, M42 HSS-Co 8% Cutting Edge, M42 HSS-Co 8% Cutting Edge, Straw Oxide, Applicable Materials: Alloy Steel, Stainless Steel, and Titanium