The Omega BT40 Milling Cutter Arbor, MCA12, is engineered to securely hold BT40 milling cutters while delivering precise, repeatable performance in demanding machining tasks. Designed for engineers, machinists, and workshop professionals, it combines high‑speed capability with rigorous alignment to support efficient cutting across a wide range of applications. With a 125mm gauge length and a maximum speed rating of 25,000 RPM, this arbor is ready for fast, accurate milling in busy production environments.

• Up to 25,000 RPM performance: Enables faster material removal with stable rotation, helping you maintain productivity without compromising accuracy or surface finish.
• G2.5 precision tolerance: Ensures low runout and repeatable results, delivering consistent cuts and cleaner finishes across multiple setups.
• 125mm gauge length for flexible mounting: Provides versatile mounting reach that accommodates a broad range of cutters and setups, reducing the need for additional arbors.

Built from high‑quality materials, this arbor is designed for durability in demanding machining environments. It supports reliable tool holding, minimizes downtime, and helps you achieve predictable, quality results project after project.