Sandvik Coromant Jobber Length Drill Bit, High Performance High Penetration, Series: CoroDrill 860, Imperial, 0.531 in Drill - Decimal Inch, 4.882 in Overall Length, 5XD Cutting Depth, 2 Flutes, Spiral Flute, 3.032 in Flute Length, 0.551 in Shank, Cylindrical Shank, 147 deg Point, Split Point, Right Hand Cutting Direction, Solid Carbide Cutting Edge, Yes Through Coolant, Solid Carbide, PVD-TiAlN Coated, Applicable Materials: Unalloyed Steel, Low Carbon Steel, Low/High Alloy Steel and Steel castings