1、The size of the tap chuck is standard, which is fully matched with the type of taps that can be clamped, and the accuracy is high. 2、Made of 40Cr material, with high tensile strength and good toughness, it is not easy to break during operation. 3、When tapped, just adjust chuck to obtain different slipping torsion to prevent the tap from breaking, which is convenient and quick. 4、The structure is simple and compact, the clamping is firm, and the installation and disassembly are convenient, and the practicability is strong. 5、Commonly used for taper holes of lathe spindle holes, bed tail holes, drilling machines, milling machines and various cutting machine tools. 1 x Tap Chuck   Item Type: Tap ChuckModel: MT3Model Description: MT3-M22MT3 Means: The model of the tool holder is Morse taper conversion tool holderM22 Means: The tap that can be blessed is M22 typeMaterial: 40CrShank Diameter: Approx. 23.825mm / 0.9inApplication: Used for taper holes of lathe spindle holes, bed tail holes, drilling machines, milling machines, and various cutting machine tools.