Chicago-Latrobe - Workman's Length Drill Bit, Heavy Duty, Series: 150ASP, Metric/Imperial, 0.193 in Drill - Metric, 0.1929 in Drill - Decimal Inch, 3.386 in Overall Length, 5XD Depth of Cut, 2 Flutes, Right Hand Spiral Flute, 2.047 in Flute Length, Diameter x Shank L, Straight Shank, 135 Degree Point, Split Point, Right Hand Cutting Direction, HSS Cutting Edge, No Step Coolant, HSS, Black Oxide, Applicable Materials: Alloy Steel, Cast Iron, Stainless Steel and Tool Steel