ER25 Collet Chuck Set 15pcs, 2 to 16mm Spring Collet for CNC Milling, Lathe & Engraving Machine Hardened & Precision Ground, Durable 65Mn Spring Steel

Features: 1. Made of high grade specially formulated spring steel.2. Hardened and precision ground.3. Built in self-release design and tools will never get stuck in holder.4. Big clamping force and wide clamping range.5. Widely used in machining centers,general milling machines, CNC milling machine, engraving machine, high-speed machines, and other processing.Specifications:Color/Style: ER25Material: High Grade 65Mn spring steelTotal height: 34mm/1.1inchOuter diameter(Max): 26mm/0.63inchRun-Out Tolerance: Gripping Range: 2MM to 16MMPackage Include: 1 * Set of ER25 Collets (15pcs)

• 【High Precision】Each chuck undergoes precision grinding to ensure minimal runout (<0.008mm), delivering exceptional accuracy and smoother surface finishes in CNC milling, turning, and engraving applications.
• 【Durable Hardened Spring Steel】The collet set is crafted from high-grade 65Mn spring steel and undergoes hardening treatment, delivering outstanding wear resistance to ensure lasting performance and reliability even under repeated clamping cycles.
• 【Self-Release Design】The ER25 spring collet incorporates a self-release mechanism that prevents tool jamming within the shank, enabling quick and effortless tool changes to minimize machine downtime.
• 【Robust Clamping Force】Delivers stable, powerful clamping across a wide range from 2mm to 16mm, securely holding tools during high-speed machining operations.
• 【Wide Compatibility】Designed for machining centers, universal milling machines, CNC milling machines, engraving machines, and high-speed machine tools, this universal tool holder set meets diverse workshop requirements.