The Omega BT40 Combi Shell Mill Arbor (COMBI16) is a versatile mounting solution for shell milling cutters on BT40 spindles, delivering rigidity and repeatable alignment for high-speed milling.

Designed for engineers, machinists, and hobbyists, it supports speeds up to 15,000 RPM with a G6.3 precision rating to keep tool paths accurate and results consistent. Its 55mm gauge length provides predictable seating depth for quick, reliable setups.

• 55mm Gauge Length: Ensures predictable engagement depth and repeatable setups, reducing guesswork and downtime.
• Up to 15,000 RPM: Enables high-speed cutting with shell milling cutters while maintaining stability and precision.
• G6.3 Precision: Tight runout control for cleaner cuts, longer cutter life, and consistent performance across jobs.

This combi arbor integrates with BT40 spindles to deliver reliable performance in a wide range of milling tasks, helping you accelerate setup, reduce downtime, and achieve repeatable, high-quality results from shell milling operations.