Enhance your machining operations with the SL25-ER20-80L Collet Chuck Holder, expertly crafted from high-speed steel to deliver exceptional durability and precision. Designed for use in lathes, CNC machines, milling machines, and drilling centers, this collet chuck holder offers superior stability and performance to optimize your tooling setup and machining efficiency. Key Features: · Premium High-Speed Steel Construction: Ensures excellent wear resistance, hardness, and long service life, making it ideal for demanding machining applications. · Advanced Vacuum Quenching Technology: The carbon and oxygen co-permeation process strengthens the tool shaft, significantly increasing hardness and extending the lifespan of the holder. · Efficient Cooling Design: Internal cooling and central through holes facilitate effective water cooling, reducing heat buildup during prolonged machining operations and improving tool life. · High Rigidity Hex Nut: Provides strong clamping force while enabling easy and convenient loading and unloading of tools, ensuring secure and stable tool holding. · Precision Ground Components: The extension rod’s outer diameter and other parts are finely ground to eliminate imbalance, enhancing cutting stability and overall machining accuracy. · Anti-Vibration and Anti-Bending Structure: Minimizes tool deflection and vibration, reducing the need for lengthy cutting tools, lowering costs, and improving machining efficiency. · UM Type ER Extension Rod Compatibility: Features tight fitting with fine teeth, available in different nut sizes to match various ER chuck sizes for versatile use. Specifications: · Model: SL25-ER20-80L · Material: High-Speed Steel · Item Type: Collet Chuck Holder · Shank Diameter: Approx. 25mm / 1 inch · Handle Length: Approx. 80mm / 3.1 inches · Adapter Chuck Diameter: Approx. 25mm / 1 inch · Scope of Application: Suitable for CNC lathes, milling machines, drilling machines, and various machining centers Package Includes: · 1 x SL25-ER20-80L Collet Chuck Holder This high-precision collet chuck holder is engineered to improve your machining operations by reducing tool vibration and enhancing clamping strength. Its robust construction and advanced design features ensure stable, efficient cutting performance, making it an essential accessory for professional machinists and precision tool users.