The Omega Products ER40 Collet Ultra Precision- 5 Micron Run-Out - 30mm - 29.8mm is designed to clamp round shank tools in an ER40 collet chuck with exceptional accuracy for ultra-high-precision machining. Featuring a 5 micron run-out, it helps maintain concentricity and delivers repeatable results across multiple setups.

• 5 Micron Run-Out: Delivers near-ideal concentricity for milling and drilling, reducing part runout and improving surface finish.
• ER40 Collet Compatibility: Built to fit standard ER40 chucks, enabling quick tool changes and reliable performance with common tooling.
• Durable, Precision-Grade Construction: Made from robust materials to resist wear and maintain accuracy through long tool life and demanding operations.

With this collet, you gain dependable grip on round shank tools, fewer rework cycles due to runout, and a streamlined workflow that keeps your shop moving. The combination of ultra-precision concentricity and sturdy construction helps you achieve consistent part quality, smoother finishes, and longer tool life, making it a trusted addition to any ER40 tooling setup.