Omega Products ER40 Collet Standard Precision - 10 Micron Run-Out - 26mm - 25mm

Engineered for machinists who demand dependable, repeatable accuracy, the Omega ER40 Collet Standard Precision delivers tight, consistent clamping for round stock in an ER40 collet chuck. With a refined 10 micron run-out, this collet helps keep tool paths true and finishes cleaner, mile-after-mile through everyday machining tasks.

• Ultra-tight run-out: achieve about 0.01 mm of run-out, minimizing tool deflection and chatter for superior surface finish on milling and drilling operations.
• Reliable general‑purpose performance: designed for standard use in everyday machining—ideal when your projects require steady grip on round stock without sacrificing efficiency.
• ER40 compatibility: specifically built to seat firmly in ER40 collet chucks, providing a secure interface between tool and spindle for consistent, repeatable results.
• Concentric consistency: precise clamping translates to better tool life and longer intervals between re‑work, especially with small‑diameter end mills and drill bits.
• Practical, shop‑friendly design: straightforward installation and reliable retention mean less downtime during setup and more focus on finishing parts.

Who benefits most: hobbyists upgrading to repeatable precision, small machine shops needing reliable ER40 tooling, and operators seeking cleaner finishes on aluminum, steel, or composite workpieces. If you’re comparing options for ER40 collet chucks, this standard precision variant stands out for its rigorous run-out specification and dependable everyday performance, helping you maintain tight tolerances without overinvesting in specialty tooling.

Tip for best results: pair this ER40 collet with tools that have clean, true shanks, torque the chuck to the manufacturer’s recommended spec, and regularly clean the collet’s seating surface to preserve concentric accuracy over time.