Features High Accuracy: The 3MT Shank Threaded 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. Easy to Use: The Milling 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 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. Save Time: Manganese Steel Drill Chuck Arbor allows for quick and easy set up and tear down, saving you time when switching between applications. Wide Application: Morse Drill Chuck Arbor is widely used in tapping machines, drilling machines, milling machines, boring machines, pneumatic tools, etc. 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 Package List 1 x Threaded Drill Chuck Arbor