The Omega Products ER Collet Extension with Castle Nut (UM) and Straight Shank extends the reach of your ER25 tooling. This 50mm extension is ideal for engineers, machinists, and workshops that need to tackle longer workpieces without sacrificing accuracy. Designed to integrate with standard ER collet systems, it adds reach while preserving precision and stability.

With a castle nut connection, you can securely tighten or loosen the extension as needed, while the straight shank allows straightforward insertion into common tool holders and machining setups. This combination supports quick setup and reliable performance across milling, drilling, and other precision operations.

• Castle nut secure connection: The castle nut design provides a secure, adjustable connection between the extension and the ER collet, enabling quick changes and maintaining stable alignment during work.
• Straight shank versatility: The straight shank design fits easily into a wide range of tool holders and setups, supporting simple, adapter-free installation.
• 50mm reach extension: Adds 50mm of reach to ER25 tooling, allowing longer workpieces to be machined with maintained accuracy and rigidity.

Equipping your workspace with this ER collet extension unlocks greater flexibility, reduces setup time, and helps you maintain tight tolerances on longer parts. The secure castle-nut connection, easy installation, and added reach translate to faster workflows, fewer interruptions, and dependable, repeatable results in demanding milling and drilling tasks.