Omega BT40 End Mill Holder is a precision toolholding accessory designed for BT40 spindle systems. It securely accommodates 16 mm end mills and is built to perform at speeds up to 20,000 RPM, delivering consistent tool positioning for reliable part outcomes.

With a G2.5 precision rating, this holder delivers tight, repeatable alignment that helps minimize runout and vibration during demanding milling cycles. Its Form AD design, along with a 63 mm gauge length and a 16 mm bore, provides a rigid, stable interface that supports dependable performance across a wide range of materials and applications.

• 20,000 RPM high-speed capability: Maintains rigid tool seating and reduces chatter for cleaner cuts and higher productivity in fast milling workflows.
• G2.5 precision for repeatable accuracy: Delivers tight tolerance and consistent tool positioning, improving part-to-part consistency over long production runs.
• 16 mm bore, 63 mm gauge length with Form AD: Provides secure, concentric clamping and robust rigidity, enhancing stability and compatibility with standard BT40 tooling.

This BT40 End Mill Holder helps you achieve smoother finishes, shorter cycle times, and more predictable results. Its durable construction and precise fit minimize wear on both tool and spindle while delivering reliable performance across job types—from rapid prototyping to volume production—making it a dependable choice for engineers, machinists, and workshop professionals.