The Omega BT40 Milling Cutter Arbor MCA12 securely holds BT40 milling cutters, enabling precise machining at high speeds. Built for engineers, machinists, and shops that demand dependable toolholding, it delivers stable rotation and repeatable results at up to 25,000 RPM with a 50mm gauge length for consistent cutter seating.

• High-Speed Precision: Maintains rotational stability and minimizes runout at up to 25,000 RPM for accurate and consistent cuts.
• Broad Cutter Compatibility: Designed to work with a wide range of BT40 milling cutters, offering flexible setup options for diverse projects.
• Durable, Reliable Construction: Manufactured with high-quality materials to stand up to demanding machining environments and long-term use.

With its combination of speed rating, precision, and rugged build, this arbor helps you maintain tight tolerances, reduce tool changes, and keep workflows moving. You can count on repeatable seating and dependable performance across a variety of milling tasks, from routine aluminum work to tougher steel applications, improving overall productivity and finish quality.