Enhance the precision and durability of your machining projects with this high-quality Collet Chuck Holder, expertly crafted from robust 40Cr material combined with carbon steel for superior strength and vibration suppression. Designed for high accuracy machine tool processing, this tool holder features an integrally formed body with fine control machining, delivering exceptional concentricity and stable performance for demanding applications. Key Features: · Premium 40Cr Material Construction: Provides excellent vibration damping and high concentricity, ensuring stable and precise machining operations. · High Concentricity Design: The inside and outside of the tool holder are integrally formed and finely processed, offering enhanced stability and accuracy during use. · Suitable for High Accuracy Machine Tools: Inner hole ground treatment increases precision and extends the service life beyond ordinary tool holders. · Superior Fatigue Resistance: Carburizing and quenching processes increase hardness (45-46HRC) and improve fatigue resistance at the interface, ensuring long-lasting durability. · Wide Clamping Range: Accommodates tools from 1mm to 7mm (0.04 to 0.28 inches), providing versatility for various machining needs. · Stable Structure and Excellent Performance: Engineered for reliable operation and consistent results in professional and industrial environments. Specifications: · Material: 40Cr + Carbon Steel · Hardness: 45-46HRC · Head Diameter: Approx. 16mm (0.63in) · Clamping Range: 1 ~ 7mm (0.04 ~ 0.28in) · Adapter Collet: ER11 · Thread Type: M · Tool Handle Diameter: Approx. 10mm (0.39in) Package Includes: · 1 x Collet Chuck Holder This Collet Chuck Holder is an essential accessory for precision machining, combining durable materials and advanced processing techniques to deliver high accuracy, excellent fatigue resistance, and long service life. Ideal for professionals seeking reliable tool holding solutions in high-precision applications.