G1490 Jobber Bit J High Speed Steel CHICAGO-LATROBE 45780

G1490 Jobber Drill Bit Material High Speed Steel Point Angle 135 Degrees Split Point Finish Black Oxide Dimension Type Letter Size J Decimal Equivalent 0.2770 In. Flute Length 2-7/8 In. Overall Length 4-1/8 In. List Number 150ASP Shank Dia 0.2770 In. Standards National Aerospace Standards (NAS) 907 Type B