The Omega BT40 Parallel Milling Cutter Arbor MCAP12 is a precision toolholder designed for BT40 spindle machines. It securely holds parallel milling cutters and maintains rigid alignment during high-speed milling, delivering stable performance up to 25,000 RPM and precise operation with a G2.5 tolerance.

Designed to accommodate parallel milling cutters with diameters from M8 to M16, this arbor features an M12 mounting and a 50 mm gauge length for versatile, repeatable setups across a wide range of milling tasks.

• High-speed stability up to 25,000 RPM: Designed to maintain rotational stability during fast, demanding milling, helping you achieve consistent cuts and productive cycle times.
• G2.5 precision rating: Tight tolerance that supports accurate runout and repeatable results, improving part quality and reducing finishing passes.
• M12 interface with 50 mm gauge length: Easy to integrate into BT40 machines with standard tooling, enabling quick setups and reliable alignment across multiple cutters (M8–M16).

This toolholder helps you streamline workflows, reduce setup time, and deliver dependable, high-quality milling results across batches. By ensuring secure clamping, precise alignment, and compatibility with common BT40 tooling, it supports efficient production, fewer rework cycles, and better overall performance.