Omega's BT40 Combi Shell Mill Arbor (COMBI22) is a precision mounting solution designed to hold shell milling cutters securely on BT40 spindles. Built for versatility and reliability, it helps machinists, engineers, and shop teams achieve consistent results when using shell milling tools on BT40 machines.

With a maximum speed of 15,000 RPM and a G6.3 precision rating, this arbor delivers stable cutter alignment and dependable accuracy in high-speed machining environments. The 55mm gauge length provides a compact, rigid mounting footprint that supports repeatable setups across a wide range of shell milling configurations.

• Up to 15,000 RPM capability: Enables high-speed shell milling with stable performance, helping you complete jobs efficiently without compromising accuracy.
• G6.3 precision tolerance: Delivers tight runout control for repeatable cuts and consistently fine surface finishes on every part.
• 55 mm gauge length for rigid setup: Offers a compact, stable mounting footprint that minimizes vibration and supports repeatable toolholding in demanding applications.

This combi arbor simplifies shell milling on BT40 machines by providing reliable alignment, quick, repeatable setups, and robust construction. Its durable design helps maintain consistent results across diverse materials and geometries, giving you confidence to work faster and with the precision your projects require.