Omega BT40 Shrink Fit Chuck with Front Face Coolant is a high-speed toolholder engineered for BT40 milling centers. It delivers superior clamping strength and rigidity for demanding machining tasks, while integrated front-face coolant channels help manage heat during fast, aggressive milling. Compliant with BT MAS403 (JIS 6339) standards and featuring Form AD/B geometry, this chuck provides reliable performance across a wide range of BT40 machines.

• Front-face coolant integration: Direct cooling at the cutting zone reduces heat buildup, helping maintain dimensional accuracy, extend tool life, and improve surface finish even in prolonged high-speed operations.
• BT MAS403 (JIS 6339) compliant with Form AD/B: Ensures dependable compatibility and consistent clamp quality across standard BT40 setups for reliable toolholding.
• Precision balance at 25,000 RPM with a 4.5° engagement: Delivers stable, vibration-free performance for better accuracy and longer tool life during high-speed machining.

By combining secure shrink-fit clamping, integrated cooling, and meticulous balancing, this chuck supports repeatable tool seating, tight tolerances, and reduced downtime. It’s a dependable choice for shops running high-speed BT40 milling operations that demand consistent results and durable, long-lasting performance.