Seco Jobber Length Drill Bit, Universal, Series: SD1105A, Metric Drill Diameter Measurement System, 16.3 mm Drill Size - Metric, 0.642 in Drill Size - Decimal Inch, 143 mm Overall Length, 5xD Cutting Depth, 2 Flutes, Spiral Flute, 93 mm Flute Length, 18 mm Dia x 48 mm L Shank, Cylindrical Shank, 140 deg Point, Self-Centering Point, Right Hand Cutting Direction, Solid Carbide Cutting Edge, Yes Through Coolant (Yes/No), Solid Carbide, TiAlN Coated, Applicable Materials: Cast Iron, Hard Materials, Non-Ferrous Metals, Steel and Stainless Steel