The Omega DV40 ER Collet Chuck ER25 is a precision toolholding accessory designed for DV40 spindle systems. It clamps ER25 tools with consistent concentricity and grip, delivering dependable performance at high speeds from 15,000 to 25,000 RPM. Built for professional shops, engineers, and hobbyists alike, it supports a wide range of milling, drilling, and finishing tasks with confidence.

• Broad speed range (15,000–25,000 RPM): Enables flexible tool selection and fast setup for a wide range of materials and operations, reducing tool changes and downtime.
• DIN69871 / DV40 compatibility: Ensures quick, secure mounting on standard DV40 spindles with repeatable seating and reliable performance.
• ER25 with selectable balance (G2.5 / G6.3): Choose the right precision for your job; delivers strong grip and concentricity to improve finish quality and reduce runout.

Designed for dependable performance, this chuck provides repeatable clamping accuracy and robust rigidity across demanding high-speed machining tasks. The combination of DIN69871 mounting, 200 mm gauge length (Form AD/B), and the ER collet system delivers secure tool holding, minimizes runout, and supports consistent results—helping you streamline setup, extend tool life, and maintain productive workflow in both production and workshop environments.