The Omega BT40 End Mill Holder (S/L08) is a precision tool holder designed for BT40 spindle systems, delivering secure, concentric tool seating for high-speed milling. Built to withstand demanding cutting conditions, it keeps end mills aligned for reliable, repeatable performance across a range of materials and applications.

With an 8 mm bore, a 200 mm gauge length, and a 15,000 RPM rating, this holder provides robust support for everyday milling tasks—from rapid material removal to detailed finishing work.

• 15,000 RPM high-speed capability: Supports fast milling with stable performance, helping you achieve efficient material removal while maintaining accuracy and reducing vibration.
• 8 mm bore with 200 mm gauge length and Form AD/B compatibility: Wide compatibility with common 8 mm end mills and consistent seating across setups, with form AD/B readiness for quick, reliable tool changes.
• G6.3 precision tolerance: Delivers tight runout control for repeatable positioning, improving cut quality, tool life, and batch-to-batch consistency.

This BT40 end mill holder is built for durability and dependable performance in busy shops. Its precise seating minimizes runout and chatter, helping you achieve smoother finishes and more predictable results. Whether upgrading existing equipment or equipping a new workstation, it supports faster setup, steadier milling, and longer tool life—delivering reliable performance you can trust, shift after shift.