The JBO Thread Ring Gauge (NoGo) is a precision inspection tool designed to verify external metric fine threads. Tailored for engineers, machinists, quality inspectors, and workshop teams, it provides fast, reliable go/no-go checks for M17 x 0.5 right-hand threads with a 6h specification. Use it to confirm components meet exact thread size requirements and maintain consistent quality across parts and assemblies.

Crafted from hardened steel, this NoGo ring gauge offers exceptional durability and wear resistance to handle demanding production environments. Its compact, user-friendly design makes it easy to perform quick inspections, helping you identify non-conforming threads at a glance and keep production moving smoothly.

• Exact M17 x 0.5 metric fine thread: ensures precise measurement limits for tight-tolerance external threads and supports quick conformity checks.
• Durable hardened steel construction: built to endure daily use, resist wear, and deliver long service life in busy workshops and production lines.
• NoGo-style quick-inspection design: provides fast, unambiguous identification of out-of-tolerance threads, reducing downtime and rework.

This gauge helps streamline quality control by delivering clear results that your team can trust. With rugged construction and straightforward use, it supports accurate inspections, minimizes guesswork, and enhances overall manufacturing reliability.