Seco Niagara Cutter Universal Drill, Universal, Series: ND1103A, Metric, 4.5 mm Drill - Metric, 0.1772 in Drill - Decimal Inch, 66 mm Overall Length, 3XD Cutting Depth, 2 Flutes, Spiral Flute, 24 mm Flute Length, 6 mm Dia x 36 mm L Shank, Cylindrical Shank, 140 deg Point, 4-Facet Point, Right Hand Cutting Direction, Solid Carbide Cutting Edge, Solid Carbide, AlCrN, Applicable Materials: Cast Iron, Steel and Stainless Steel