Chicago-Latrobe - Jobber Length Drill Bit, General Purpose, Series: 150, Imperial, 9/64 in. Drill - Fraction, 0.1406 in. Drill - Decimal Inch, 2-7/8 in. Overall Length, 5XD Depth of Cut, 2 Flutes, Right Hand Spiral Flute, 1-3/4 in. Flute Length, 9/64 in. Diameter x 1 1/8 in. L-Shank, Straight Shank, 118 Degree Point, Radial Point, Right Hand Cutting Direction, HSS Cutting Edge, No Step Coolant, HSS, Black Oxide, Applicable Materials: Carbon Steel and Cast Iron ASIN B09TJPMJ4D Brand Name Chicago-Latrobe Shank Type Straight Unit Count 12.0 Count Part Number 44009 Finish Types Black Oxide Manufacturer Greenfield Material Type Carbon Steel, High Speed Steel (HSS) Tool Flute Type Spiral Cutting Diameter 3.18 Millimeters Number of Flutes 2 Number of Pieces 12 Cutting Angle String 118 Degrees Surface Recommendation Alloy Steel