Sandvik Coromant Straight Flute Drill Bit, Hard Cut, Metric, 4 mm Drill - Metric, 0.1575 in Drill - Decimal Inch, 45 mm Overall Length, 14 mm Cutting Depth, 2 Flutes, Straight Flute, 20 mm Flute Length, 4 mm Shank, Cylindrical Shank, 120 deg Point, Proprietary Point, Right Hand Cutting Direction, Solid Carbide Cutting Edge, Applicable Materials: Cast Iron, Non-Ferrous Metals, Plastic and Other Tough-to-Machine Materials, No Through Coolant, Solid Carbide, Uncoated