.257" Dia, 11.858" Flute Length, 14.063" OAL Mitsubishi Taper Length Drill, manufacturer part number 10546727.
Specifications: Cutting Diameter: 0.2570 in; Flute Length: 11.8580 in; Usable Length: 10.3270 in; Overall Length: 14.0630 in; Shank Diameter: 0.3150 in; Point Angle: 140 degrees; Number of Flutes: 2; Point to Shoulder: 0.0470 in; Coolant Option: Internal Coolant; LxD Ratio: 40xD; Carbide Grade: DP1020; Reach: 11.9760 in.
Material: Solid Carbide. Series: MVS. Unit of measure: Inch.