The Omega Products Hexagon Collet Nut is a purpose-built accessory for ER16 collet systems. When paired with a collet extension, this nut delivers a secure, repeatable connection between the extension and the chuck, helping you achieve precise tool alignment during machining. Its hex design accepts standard wrenches or hex keys, enabling quick, confident tightening and removal. Built for demanding environments, the nut resists wear and provides durable, long-lasting performance across many machining cycles. Tool-friendly hex design: Easy tightening or loosening with common wrenches or hex keys, speeding up setup and ensuring a snug, repeatable grip. Secure, repeatable clamping: Maintains concentricity under load for consistent cutting performance and reduced runout during operations. Durable construction for heavy-use environments: Built to resist wear and impact, delivering long service life with minimal maintenance in busy workshops. By ensuring a solid, repeatable connection, the Omega Hexagon Collet Nut helps you cut with confidence, minimize downtime, and improve part quality. The quick-tool compatibility reduces setup time between operations, while the durable build stands up to daily shop use, making it a dependable addition to your toolholding and workflow.