Feature: 1. Anti Oxidation: The threaded drill chuck arbor is made of excellent manganese steel with a blackening treatment for high oxidation resistance, high hardness and long life. 2. Save Time: The threaded drill chuck arbor allows for quick and easy set up and tear down, saving you time when switching between applications. 3. Wide Application: The threaded drill chuck arbor is widely used in tapping machines, drilling machines, milling machines, boring machines, pneumatic tools, etc. 4. High Accuracy: The threaded drill chuck arbor is designed with high accuracy. This feature ensures a accurate connection between the chuck and the machine, which is critical for smooth and efficient drilling performance. 5. Easy to Use: The threaded drill chuck arbor has a straightforward design that is easy to use. It features a straight shank that is 5/8inch in length and a diameter of 16mm, making it compatible with various drill bits and chucks. Its user friendly design ensures that it can be set up quickly and easily, reducing downtime and improving productivity. Specification: Item Type: Threaded Drill Chuck Arbor Material: Manganese Steel Model: MT3 5/8 16 Thread Size: 5/8in 16mm / 0.63in length Connecting Rod: Morse MT3 Connection Method: Screw. Package List: 1 x Threaded Drill Chuck Arbor