Niagara Cutter Universal Drill, Universal, Series: ND1105A, Metric, 5.5 mm Drill - Metric, 0.2165 in Drill - Decimal Inch, 82 mm Overall Length, 5XD Cutting Depth, 2 Flutes, Spiral Flute, 44 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, Yes Through Coolant, Solid Carbide, AlCrN Coated, Applicable Materials: Steel, Stainless Steel and Cast Iron