Omega Products ER40 Collet Ultra Precision is a precision clamping solution designed for ER40 collet chucks. It securely holds round-shank tools with exceptional concentricity, making it ideal for mills, drills, and other precision machining tasks. This collet is engineered for engineers, machinists, hobbyists, and shop technicians who require reliable, repeatable performance in demanding applications.

In the 2.5–3 mm shank range, this collet delivers a 5 micron run-out, enabling tight tolerances and smoother finishes. Whether you’re performing high-precision milling or delicate finishing passes, you can count on consistent grip and minimal tool drift to protect your accuracy and part quality.

• 5 Micron Run-Out: Delivers ultra-tight concentricity for high-precision milling and drilling, reducing tool chatter and improving accuracy and surface finish.
• 2.5–3 mm Round Shank Range: Fits standard small-diameter round shanks in ER40 chucks, providing a secure, uniform grip that minimizes slipping and run-out.
• Reliable, Repeatable Clamping: Ensures consistent seating and clamping force across setups, enabling repeatable results and fewer reworks on subsequent operations.

This ER40 collet helps you streamline workflows, cut setup time, and deliver dependable, high-quality results across jobs. With its precise 5 micron run-out and secure shank grip, you’ll experience improved concentricity, better surface finishes, and greater confidence in every run.