Seco Feedmax™ Shank Drill, Series: SD203A-M, Metric, 4.2 mm Drill - Metric, 0.1654 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, Self-Centering Point, Right Hand Cutting Direction, Solid Carbide Cutting Edge, Solid Carbide, PVD TiAlN+TiN Coated, Applicable Materials: Super Alloy