Chicago-Latrobe - Screw Machine Drill, Heavy Duty, Series: 559, Imperial, G Drill - Letter, 0.261 in - Decimal Inch, 2-5/8 in Overall Length, 3XD Depth of Cut, 2 Flutes, Right Hand Spiral Flute, 1-7/16 in Flute Length, 0.261 in Diameter x 1.1875 in L Shank, Straight Shank, 15 Degree Point, 35 Degree Parting Point, Right Hand Cutting Direction, M42 HSS-Co 8 Cutting Edge, M42 HSS-Co 8, Straw, Applicable Materials: Alloy Steel, Carbon Steel, Cast Iron and Tool Steel