Chicago-Latrobe Jobber Length Drill Bit, Heavy Duty, Series: 550ASP, Metric/Imperial, 0.343 in Drill - Metric, 0.3425 in Drill - Decimal Inch, 4.921 in Overall Length, 5XD Depth of Cut, 2 Flutes, Right Hand Spiral Flute, 3.189 in Flute Length, 1.732 in Diameter x 1.732 in Shank Length, Straight Shank, 133, 15 Degree Point, 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