Enhance the precision and efficiency of your machining projects with this high-quality ER20 Collet Chuck Holder, expertly crafted from premium materials to ensure superior strength, hardness, and durability. Designed for reliable spindle motor shaft clamping, this collet block offers exceptional performance and ease of use across a variety of machine tools. Key Features: · Premium Material Construction: Built with high-strength and hard materials, providing a robust structure that guarantees long-lasting durability and stable operation. · ER20 Collet Block Compatibility: Specifically designed to securely clamp spindle motor shafts, ensuring precise and reliable tool holding for enhanced machining accuracy. · Spiral Linear Thread Design: Enables more convenient and faster clamping and replacement, delivering a strong clamping force for secure tool positioning. · Smooth Surface Finish: Manufactured with a scratch-free, polished surface that promotes stable performance and minimizes wear during use. · Versatile Application: Suitable for use on lathes, drilling machines, milling machines, and boring machines; compatible with tapping tools, drills, and milling cutters for multi-functional machining tasks. Specifications: · Model: C25-ER20-50L · Nut Type: ER20A · Body Length: 60mm · Axle Hole Diameter Options: 6mm, 8mm, 10mm, 12mm, 16mm (Selectable) Package Includes: · 1 x Collet Chuck Holder This ER20 Collet Chuck Holder is an essential component for professionals and hobbyists seeking efficient and reliable spindle shaft clamping. Its durable construction combined with a user-friendly design ensures optimal machining performance, making it ideal for precision tools and equipment in various industrial and workshop settings. Please note that the product may be shipped as either the new or old type randomly.