Jobber Drill Bit, Fractional Inch, Drill Bit Size 1/2 In., Decimal Equivalent 0.4114, Drill Bit Point Angle 130 Degrees , Drill Bit Material High Speed Steel, Drill Bit Finish Steam Nitride, Coolant Through No, Cutting Direction Right Hand, Overall Length 5-15/16 In., Shank Dia. 1/2 In., Flute Length 3-1/16 In., Point Type Split Point, List Number 230-8481