Omega Products DV50 ER Collet Chuck ER25 - 25,000RPM - G2.5 - DIN69871 - 70mm Gauge Length - Form AD/BWith a speed range of 15,000 to 25,000 RPM, these collet chucks provide the versatility required to handle a wide range of machining tasks. They adhere to the DIN69871 standard, ensuring compatibility with DV50 spindle systems. The collet chucks are available in two precision balance ratings, G2. 5 and G6. 3, enabling users to choose the appropriate level of accuracy based on their specific machining needs. The ER collet system utilized by these