Omega Products ER40 (JIS) Quick Change Rigid Tapping Collet — 4.50mm — is a precision collet designed to streamline tapping operations. Built to fit ER40 tool holders and compatible with standard ER40 collet nuts, it supports reliable, repeatable tapping in CNC mills and other machining setups.

The quick-change design enables fast tool changes, minimizing downtime and keeping production moving. The rigid tapping capability delivers precise, consistent thread formation, while the collet's high-quality materials and construction ensure durable, long-term performance in demanding environments.

• Fast, Easy Tool Changes: The quick-change design lets you swap tapping tools in seconds, reducing machine downtime and boosting workflow efficiency.
• Rigid Tapping for Precise Threads: Delivers accurate thread formation with each tap, improving part fit and reducing rework.
• ER40 Compatibility and Durable Construction: Designed to fit ER40 tool holders and standard ER40 collet nuts; built from high-quality materials to stand up to repetitive tapping and heavy use.

Together, these features help you shorten setup and changeover times, achieve consistently accurate threads, and rely on a durable, long-life collet for daily production. The result is a smoother workflow, less downtime, and more repeatable results across jobs, enabling you to hit tight production targets with confidence.