Our JT33 Mount Keyless Drill Chuck is a testament to durability and precision. Made from high carbon steel, it is built to withstand the toughest drilling tasks while maintaining stable performance over a long service life. The chuck's self-tightening feature ensures that the gripping force is automatically increased, providing stability and reliability during drilling operations. With a clamping capacity ranging from 1/32" to 5/8" and an accuracy of 0.005", this drill chuck is versatile enough to meet various drilling needs. It's perfect for CNC machines and compatible with any equipment that has a JT33 spindle.