The Omega BT40 Parallel Milling Cutter Arbor MCAP12 is a precision toolholder designed for BT40 spindle machines. It securely holds parallel milling cutters from M8 to M16 and is built for high-speed performance, delivering reliable stability at speeds up to 25,000 RPM with a G2.5 precision standard.

With an M12 mounting and a 100 mm gauge length, this arbor provides a robust, repeatable interface between your cutter and the BT40 spindle, helping maintain consistent seating depth and accurate tool alignment across jobs.

• High-speed stability up to 25,000 RPM: engineered to maintain smooth rotation and reduce vibration during fast milling, supporting clean finishes and accurate pockets.
• G2.5 precision for tight runout: delivers consistent alignment and repeatable results, reducing setup time and part scrap across production runs.
• M12 mounting with 100 mm gauge length and M8–M16 compatibility: provides versatile, secure clamping for a wide range of cutters, enabling quick tool changes and reliable performance in busy shops.

Designed to streamline BT40 milling workflows, the MCAP12 helps you achieve faster setups, steadier cutting conditions, and dependable results from part to part. Its combination of high-speed capability, precision alignment, and flexible cutter compatibility makes it a trustworthy choice for engineers, machinists, and shops aiming for consistent quality and efficient production.