The Omega BT40 Milling Cutter Arbor MCA12 is a precision mounting shaft designed to securely hold BT40 milling cutters on compatible spindles. It’s built for professional shops and demanding jobs, delivering reliable performance with high-speed capability and tight rotational accuracy.

With a maximum speed rating of 25,000 RPM and a G2.5 precision rating, this arbor provides stable rotation and minimal runout for consistent, accurate cuts. The 100 mm gauge length enhances cutter engagement, while its construction from high-quality materials ensures durability in busy machining environments and compatibility with a wide range of BT40 cutters for versatile use.

• 25,000 RPM maximum with G2.5 precision: Delivers stable rotation and minimal runout, enabling accurate cuts even at high spindle speeds.
• 100 mm gauge length for stable engagement: Offers solid cutter contact, reduces chatter, and supports consistent results across demanding milling tasks.
• Durable construction with broad BT40 compatibility: Built from high-quality materials to withstand daily use and fit a wide range of BT40 cutters for versatile, quick tool changes.

This arbor helps streamline your workflow by delivering reliable tool retention, precise cutting performance, and easy setup. Its combination of high-speed capability, rigidity, and broad compatibility supports faster job completion, better surface finishes, and longer tool life in everyday milling operations.