Ideal for Most Lathes: Whether you're working with metal, drilling, or milling, our lathe chuck will enhance your machining efficiency and flexibility. It helps you achieve precise and consistent results every time Hassle-Free Operation: Featuring a simple, compact design, this lathe chuck balances functionality and reliability. Equipped with a T-shaped tool, installation of our lathe chuck is a breeze. Just follow the correct sequence for a seamless setup 3-Inch 3-Jaw Lathe Chuck: With a 0.63 in (16 mm) inner diameter and 3 in (80 mm) outer diameter, this self centering lathe chuck clamps workpieces ranging from 0.08-2.48 in (2-63 mm), making it ideal for a wide variety of workpiece sizes Self-Centering Function: The built-in self-centering feature allows for hassle-free use without repeated calibration. It ensures precise control over clamping accuracy, maintaining the stability and high precision of the lathe chuck for flawless performance Outstanding Hardness: Crafted from premium HT300 cast iron, this lathe chuck features jaws with a hardness of ≥53 HRC and a scroll plate hardness of ≥45 HRC. Quench-hardened for enhanced durability, it ensures excellent hardness and rust resistance, ensuring a long-lasting service life