Mitsubishi Dual-Insert Drill MVX1375X3C150, manufacturer part number 837311.
Specifications: Flute Length: 4.4000 in; Length to Flange: 5.9000 in; Coolant Option: Internal Coolant; Cutting Diameter: 1.3750 in; Shank Diameter: 1.5000 in; Overall Length: 8.6500 in; LxD Ratio: 3xD; Flange Diameter: 2.0000 in; Usable Length: 4.1250 in.
Series: MVX. Unit of measure: Inch.