1、Firm Clamping: This lathe tool chuck will firmly clamp the round die, mainly used for processing or correcting the male thread. 2、High Performance: Precisely manufactured, the chuck has good stability, not easy to break, with high safety factor, can be used with confidence. 3、Quick Installation: This chuck allows quick and easy installation and removal, could save a lot of time when switching between applications. 4、Carbon Steel Material: This chuck is made of carbon steel, the surface is quenched and blacked, has strong oxidation resistance, high hardness and long life. 5、Wide Application: The die chuck is widely used in tapping machines, drilling machines, milling machines, boring machines, pneumatic tools, etc.