Chicago-Latrobe - Screw Machine Drill, General Purpose, Series: 157, Imperial, 27/64 in - Fraction, 0.4219 in - Decimal Inch, 3-3/8 in Overall Length, 3XD Depth of Cut, 2 Flutes, Right Hand Spiral Flute, 2 in Flute Length, 27/64 in Diameter x 1-3/8 in L Shank, Straight Shank, 118 Degree Point, Radial Point, Right Hand Cutting Direction, HSS Cutting Edge, Bright, Applicable Materials: Alloy Steel, Carbon Steel, Cast Iron and Non-Ferrous Materials