Chicago-Latrobe Screw Drill, General Purpose, Series: 157-TN/2157, Imperial, 13/64 in Drill - Fraction, 0.2031 in Drill - Decimal, 2-1/4 in Overall Length, 3XD Depth of Cut, 2 Flutes, Right Hand Spiral Flute, 1-3/16 in Flute Length, 13/64 in Diameter x 1-1/16 in L Shank, Straight Shank, 118 Degree Point, Radial Point, Right Hand Cutting Direction, HSS Cutting Edge, HSS, TiN Coated, Applicable Materials: Ferrous & Non-Ferrous Metal