Omega Products ER20 Collet Standard Precision - 10 Micron Run-Out - 7mm - 6mm

Meet the Omega ER20 Collet Standard Precision — a trusted workhorse for any milling setup that relies on consistent grip and true run-out. Built for ER20 collet chuck systems, this collet delivers reliable clamping for 6–7 mm tooling, making it an essential companion in everyday machining, DIY workshops, and precision shops alike. A standout feature is the 10 micron run-out, helping you achieve smoother cuts, tighter tolerances, and cleaner finishes with less tool deflection.

Why this ER20 collet stands out

• High-precision run-out: 10 µm run-out minimizes eccentricity between the tool and workpiece, translating to improved surface finish and more precise hole diameters during milling and drilling.
• ER20 compatibility: Specifically designed for standard ER20 collet chucks, providing a dependable, repeatable grip across a range of common 6–7 mm tooling diameters.
• General-purpose machining ready: Ideal for a variety of tasks from light milling and pocketing to engraving and intricate drilling, where consistent hold and concentricity matter most.
• Durable, dependable construction: Engineered to stand up to regular use in busy workshops, delivering repeatable performance day after day.
• Simple integration: Drops into your existing ER20 setup without the need for adapters or special procedures, so you can get to work quickly and efficiently.

Use cases and practical benefits

In small to medium machining workflows, this ER20 collet helps you achieve tighter tolerances on finished parts, fewer tool marks, and longer tool life by reducing chatter and misalignment. It’s a natural fit for:

• Roughing and finishing passes on aluminum or steel with consistent chip evacuation and minimal run-out error.
• Precision pocketing and contouring where tight diameter control matters.
• Engraving and micro-machining tasks that demand stable tool engagement and predictable results.

Tips for optimal performance

For best results, ensure the ER20 collet is clean and free of debris before seating in the chuck, tighten to your tool manufacturer’s recommended torque, and inspect the collet for wear or nicks that could affect concentricity. Pair this standard precision collet with compatible tooling and a well-maintained ER20 chuck to maintain the 10 µm run-out advantage over time. Regular inspection and gentle handling will keep performance consistent, especially in high-speed applications.

Who benefits most

Ideal for hobbyists building their first precision workshop, small machine shops outfitting multiple CNC or milling stations, jewelers and watchmakers doing micro-machining, and engineers who need dependable, repeatable clamping for routine production runs.

Key specs at a glance

• Collet type: ER20
• Run-out: 10 µm (typical)
• Shank range: 6–7 mm

Upgrade your ER20 setup with a standard precision collet you can trust for consistent results, day after day. Add it to your cart and experience the difference in precision and reliability during every machining operation.