1、MAIN PURPOSE: Round die collet, mainly used for processing male threads, the maximum threading depth is 72mm, has a wide range of applications. 2、CARBON STEEL: The die chuck is made of excellent carbon steel, surface quenched and blackened, with high hardness and good oxidation resistance. 3、FAST CHANGE: Round die threading collet allows quick and easy installation and removal, quickly switching between applications to save your time. 4、STANDARD SIZE: The die threading chuck has a standard interface outer diameter, ensuring high accuracy threading, which is convenient and practical. 5、APPLICABLE SCENES: This round die chuck is widely used in tapping machine, drilling machine, milling machine, boring machine, pneumatic tools, etc.