Chicago-Latrobe - Workman's Length Drill, Heavy Duty, Series: 550ASP-TN, Metric/Imperial, 0.5118 in Drill - 0.5118 in Drill - Decimal Inch, 5.945 in Overall Length, 5XD Depth of Cut, 2 Flutes, Spiral Flute, 3.976 in Flute Length Dia x L Shank, Straight Shank, 13.5 Degree Point, Split Point, Right Hand Cutting Direction, M42 HSS-Co 8% Cutting Edge, TiN Coated, Applicable Materials: Alloy Steel, Stainless Steel, and Titanium