Omega Products ER11 Collet Coolant Sealed Ultra Precision - 10 Micron Run-Out - 3mm

The Omega ER11 Collet with integrated coolant seal is a precision tool accessory designed for CNC milling and precision drilling. It targets engineers, machinists, and workshop professionals who rely on repeatable accuracy and clean, consistent finishes from every cut.

It handles 3-7 mm round shank tooling with ultra-precise run-out and high-pressure cooling up to 120 bar, while newer versions omit the rubber nose seal for a robust, low-maintenance seal.

• Ultra-precise run-out (<10 μm): Delivers concentric tool engagement for tight tolerances, smoother finishes, and predictable hole sizes across challenging materials.
• High-pressure coolant seal up to 120 bar: An integral metal seal channels coolant directly to the cutting edge, improving cooling efficiency and extending tool life. Newer versions have no rubber nose seal for simpler maintenance.
• Non-overlapping slots and round-shank compatibility: The longitudinal slots do not overlap at the center to prevent coolant loss, keeping coolant exactly where it’s needed. For best sealing, use solely round shank tooling with no clamping flats—tools with flats can render these collets ineffective.

With the Omega ER11 Collet, you gain repeatable precision, reliable cooling, and reduced downtime. The ultra-low run-out (near 10 μm) and high-pressure coolant delivery (up to 120 bar) help you achieve cleaner surfaces and tighter tolerances, extending tool life across the 3–7 mm tooling range. Built for daily production, it delivers consistent performance in high-speed milling and precision drilling, giving you confidence in every part.