Chicago-Latrobe - Screw Machine Drill, General Purpose, Series: 157, Imperial, 19/64 in. Drill, Fraction, 0.2969 in. Drill, Decimal Inch, 2-3/4 in. Overall Length, 3XD Depth of Cut, 2 Flutes, Right Hand Spiral Flute, 1-9/16 in. Flute Length, 19/64 in. Dia. x 1-3 in. Dia. x 1-3 in. /16 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