Enhance the precision and efficiency of your machining projects with this high-quality Collet Chuck Handle, crafted from durable 40Cr steel to ensure stable performance and long-lasting reliability. Designed to provide a strong clamping force, this pull-back type collet chuck features an ER11 collet clamping range of 1-7mm, making it an ideal tool holder for a wide variety of machine applications. Key Features: · Premium 40Cr Steel Construction: Made from high-grade 40Cr material, this collet chuck handle offers excellent strength, stability, and wear resistance, ensuring consistent performance during heavy-duty operations. · Strong Clamping Force: Provides a secure grip within a clamping range of 1-7mm, allowing for precise tool holding and minimizing slippage during milling, drilling, or turning tasks. · Convenient Pull-Back Design: Features threaded holes at the tail, facilitating easy and reliable installation, as well as compatibility with multiple machine types. · Versatile Compatibility: Suitable as a common spindle holder for various machines, including milling machines, drilling machines, lathes, table drills, and other small machine tools. · High-Quality Finish: Expertly processed and manufactured to meet stringent quality standards, ensuring a reliable and accurate tool holder for professional or hobbyist use. Specifications: · Material: 40Cr Steel · Type: Pull-back Collet Chuck Handle with Threaded Tail · ER11 Collet Clamping Range: 1-7mm Package Includes: · 1 x Collet Chuck Handle This Collet Chuck Handle offers exceptional durability and precision, making it an essential accessory for machining professionals seeking reliable tool holding solutions. Its strong clamping force and versatile compatibility ensure enhanced productivity and accuracy across various milling, drilling, and turning applications.