The Omega Products VDI40 Collet Chuck ER40 - Type E4 is a precision toolholder designed to securely grip tool shanks using standard ER40 collets and a VDI40 mounting interface. This versatile chuck is ideal for milling and drilling on machining centers, from hobbyist workshops to professional shops, offering fast setup and reliable performance. This design provides a secure, repeatable grip with quick-change capability, helping you maintain accuracy and reduce downtime across a wide range of jobs. Fast collet changes with precision nut: The precision nut enables easy and quick collet changes, reducing setup time and downtime while maintaining a consistent grip. High clamp force and runout accuracy: Delivers a secure, repeatable grip on every tool, improving part tolerance and reducing finishing passes. Durable ER40 with VDI40 compatibility: Built with robust materials and designed to fit a range of spindles and tool shanks, ensuring long service life across demanding applications. With its precise clamping and quick-change capability, this VDI40 ER40 Type E4 chuck helps you cut setup time, minimize tool slip, and achieve consistent results across jobs. Its rugged build and broad compatibility support reliable performance in busy workshops, improving workflow efficiency and overall machining quality.