Sandvik Coromant Screw Machine Drill, High Performance, Series: CoroDrill Delta-C R840, Imperial, 0.555 in Drill - Decimal Inch, 4.528 in Overall Length, 3XD Cutting Depth, 2 Flutes, SSK Flute, 2.559 in Flute Length, 0.63 in Shank, Cylindrical Shank, 140 deg Point, Split/Self-Centering Point, Right Hand Cutting Direction, Solid Carbide Cutting Edge, Solid Carbide, TiN , Applicable Materials: Steel, Stainless Steel, Cast Iron, Heat Resistant Super Alloys, Non-Ferrous and Hardened Materials