The Omega BT40 End Mill Holder (S/L20, Form AD/B) is a precision tool holder designed for high-speed CNC milling centers. With a 20 mm bore and a 160 mm gauge length, it provides secure, accurate mounting for end mills at production speeds, and the BT40 interface supports quick tool changes and consistent concentricity.

Built for durability, this holder uses high-quality materials and engineering to minimize runout and vibration, delivering reliable performance even in tough machining conditions. It’s a dependable choice for shops that need repeatable results and long tool life.

• Precise, repeatable clamping: ensures tight, consistent grip on your end mills, delivering minimal runout and repeatable results across multiple setups.
• High-speed performance up to 25,000 RPM: designed to handle fast feeds and higher productivity while maintaining tool alignment and finish quality.
• Rigid BT40 interface with 20 mm bore and 160 mm gauge length: offers a stable connection to your milling spindle and added rigidity for reduced chatter and improved surface finish.

This BT40 End Mill Holder helps you gain faster changeovers, reduced downtime, and consistent results across parts and shifts. The combination of precise clamping, high-speed capability, and a robust BT40 interface supports cleaner finishes, longer tool life, and more predictable production outcomes—whether you’re prototyping, ramping up production, or training operators.