Sandvik Coromant Screw Machine Drill, High Performance, Series: CoroDrill 860, Imperial, 1/2 in Drill - Fraction, 0.5 in Drill - Decimal Inch, 4.213 in Overall Length, 3XD Cutting Depth, 2 Flutes, SSK Flute, 2.362 in Flute Length, 0.551 in Shank, Cylindrical Shank, 147 deg Point, Split Point, Right Hand Cutting Direction, Solid Carbide Cutting Edge, Solid Carbide, TiAlN , Applicable Materials: Steel, Stainless Steel and Aluminum