The Omega BT40 Shrink Fit Chuck with Front Face Coolant is a high‑precision toolholding solution for BT40 spindle systems. Designed for demanding milling and drilling jobs, it delivers strong, repeatable tool clamping and enhanced rigidity to improve part quality and reduce setup time.

Built to BT MAS403 (JIS 6339) standards, this chuck features Form AD/B with integrated front coolant channels for efficient cooling during high‑speed operations. With a precise 4.5‑degree angle and balance grade of G2.5 at 25,000 RPM, it provides reliable performance and long‑lasting stability in tough machining environments.

• Strong, consistent tool clamping: Shrink‑fit design delivers secure grip with minimal runout, improving accuracy and reducing tool slippage during heavy cuts.
• Integrated front‑face coolant: Front coolant channels direct coolant exactly where needed, cooling the cutting zone for longer tool life and steadier finishes at high speeds.
• Standards‑driven and balanced: BT MAS403 (JIS 6339) compliant Form AD/B construction combined with G2.5 balance at 25,000 RPM for reliable, vibration‑free performance.

This chuck helps you streamline production with faster tool changes, improved surface finish, and reduced downtime. It supports precision workflows across professional shops and ambitious DIY setups alike, delivering dependable performance that you can trust on every job.