workmanship This replacement chuck is built with precise craftsmanship to provide reliable gripping and long service life in daily workshop use. Convenient manual operation Equipped with a quick release mechanism and a tapered MT2 mandrel, it enables fast clamping and rapid release, reducing downtime during bit changes. Wide application Clamping range 0.516 mm, suitable for column drilling machines, milling machines, and lathes. Designed to cover a broad range of drilling and milling tasks with a single chuck. Efficient and reliable Manual operation allows rapid release of chuck clamping, supporting smooth and efficient tool changes across a variety of workshop tools. Key specifications Clamping range: 0.516 mm Taper: MT2 (tapered mandrel) Applications: column drilling machines, milling machines, lathes Type: replacement chuck with manual operation Use scenarios Drill bit changing on a column drilling machine: switch quickly between small bits (0.52 mm) and midrange bits (48 mm) to complete a batch of holes with minimal downtime. Milling tasks on a milling machine: swap end mills within 0.516 mm range to perform pocket milling, contouring, or drilling without lengthy setups. Lathe operations: hold small drills or reamers for inspindle or tailstock drilling operations, enabling precise, repeatable work with fast bit changes.