The Omega BT40 End Mill Holder (S/L18, Form AD) is a precision tool holder designed for high‑speed milling on BT40 spindles. With an 18 mm bore and a 63 mm gauge length, it delivers secure tool retention and stable alignment for demanding CNC jobs. It supports speeds up to 20,000 RPM and carries a G2.5 precision rating for repeatable seating and consistent performance.

• Precise, repeatable seating: G2.5 tolerance ensures consistent runout and predictable tool seating, reducing setup time and improving part accuracy.
• High-speed performance: Designed for up to 20,000 RPM, it maintains balance and secure clamping at fast feed rates, helping you maximize productivity.
• Durable, stable construction: Machined from high-quality materials for durability and vibration resistance, delivering long tool life and reliable machining under demanding conditions.

This BT40 End Mill Holder helps you maintain accuracy and uptime across a range of milling tasks. The combination of secure retention, precise seating, and robust construction translates to faster changeovers, fewer rework cycles, and consistent surface finishes even at high speeds. Use with compatible BT40 tooling to support reliable production runs and achieve repeatable results across varied materials and applications.