The Omega Products Mini Collet Nut for ER25 collet extensions is a compact, hex-shaped nut designed to pair with your collet extension and chuck. It provides a secure, repeatable connection that keeps tooling aligned during machining, even in tight spaces where every millimeter counts. Built for reliability, these mini nuts are crafted from durable materials to withstand the rigors of a machining environment, with a slim profile that minimizes weight and bulk without sacrificing gripping strength. Compact, space-saving mini size: The small, lightweight nut fits into tight work areas and maintains strong grip for precise, dependable clamping during delicate operations. Hexagon design for fast tightening: The hex geometry allows quick, secure tightening with common tools, reducing setup time and improving repeatable results. Designed to work with collet extensions: Creates a reliable connection between extension and collet chuck, expanding reach and versatility while preserving grip integrity. The Omega Mini Collet Nut helps you extend your toolholding reach without sacrificing accuracy or control. With durable construction and reliable clamping, you can tackle intricate parts, reach tight cavities, and switch between extensions smoothly—keeping production moving and parts within spec.