The Omega HSK63A Shrink Fit Chuck is a precision toolholding solution designed for high-speed milling on HSK63A spindles. It securely clamps tool shanks from 3 mm to 32 mm using a controlled shrink-fit process, delivering consistent grip and maximum rigidity for demanding cuts.

The chuck uses a heating and cooling cycle to expand for tool insertion and then clamps with an even, uniform grip. This approach reduces tool slip and enhances cutting performance, while the G2.5 interface ensures precise tool positioning for repeatable results at up to 25,000 rpm.

• Secure tool clamping from 3–32 mm: The shrink-fit method grips shanks evenly, eliminating slip and increasing rigidity for longer tool life and consistent cutting performance.
• G2.5 interface for precise positioning: Delivers repeatable tool alignment with the spindle, boosting accuracy and reducing setup time between tools.
• High-speed performance up to 25,000 RPM: Optimized for fast, clean cuts while maintaining grip and rigidity at speed to support demanding high-speed machining.

With this chuck, you can streamline setups, reduce downtime from tool slips, and achieve stable, repeatable results across a range of materials and applications. The combination of uniform clamping, precise alignment, and high-speed capability helps maximize tool life, improve finishes, and maintain consistent performance across jobs.