The Omega ER32 Collet with coolant seal delivers ultra-precise toolholding for CNC milling and drilling where high-pressure coolant and tight tolerances matter. It achieves run-out under 10 microns, helping you maintain consistent finishes and accurate part dimensions, even at higher spindle speeds.

Built for demanding shops and enthusiasts alike, this collet supports high-pressure cooling up to 120 bar and clamps tools in a 3–20 mm range. Newer versions swap the rubber nose seal for a durable metal seal, increasing longevity. The center slots are designed so they do not overlap, preventing coolant loss. For optimum sealing, use only round shank tooling with no clamping flats; tool shanks with flats will render the seal ineffective.

• Ultra-precise coolant-sealed performance: Run-out is under 10 microns, delivering stable, accurate toolholding and repeatable finishes in demanding cuts.
• High-pressure capability with wide clamping range: Built to handle coolant pressures up to 120 bar and accommodate tools from 3 to 20 mm, covering a broad range of tooling needs.
• Durable seal design and proper tooling compatibility: Newer models use a metal nose seal for longer life, with non-overlapping center slots to prevent leaks; seal integrity relies on round shank tooling with no clamping flats, ensuring reliable performance when used as intended.

Together, these features translate to faster setups, cleaner coolant management, and repeatable precision across multiple parts. The combination of ultra-low run-out, high-pressure sealing, and a durable, rubber-free nose design helps you achieve consistent results, reduce downtime, and trust your tooling performance in everyday machining tasks.