Mitsubishi Dual-Insert Drill MVX1312X4C150, manufacturer part number 837273.
Specifications: Flute Length: 5.5300 in; Length to Flange: 7.0200 in; Coolant Option: Internal Coolant; Cutting Diameter: 1.3120 in; Shank Diameter: 1.5000 in; Overall Length: 9.7700 in; LxD Ratio: 4xD; Flange Diameter: 2.0000 in; Usable Length: 5.2480 in.
Series: MVX. Unit of measure: Inch.