The JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M90 x 4 is a precision external thread gauge designed for quick, reliable verification of thread dimensions. Ideal for inspectors, machinists, and quality-conscious teams, it helps you confirm that threaded components meet required standards and specifications without guesswork.

Crafted from hardened steel, this NoGo ring gauge is built to endure busy workshops and resist wear over time. Its user-friendly design delivers clear, decisive feedback: a part either fits within the prescribed maximum or it doesn’t, enabling fast quality decisions and smoother production flow.

• Precision NoGo design for fast pass/fail checks: Quickly determine if a threaded part exceeds the maximum size, speeding inspections and reducing guesswork in QA workflows.
• Hardened steel construction for durability: Withstands daily use and exposure to shop debris while maintaining long-term accuracy and reliability.
• Metric Fine, M90 x 4, right-hand, 6g compatibility: Specifically matched to standard metric fine threads, ensuring accurate measurements for M90 x 4 right-hand threads within the 6g tolerance.

Using this gauge simplifies quality control, shortens inspection times, and helps maintain consistent thread quality across batches. Its durable build and clear NoGo indication reduce downtime and give your team confidence that every part will fit as intended, supporting efficient workflows and dependable results in demanding environments.