The JBO Thread Ring Gauge NoGo is a precision inspection tool designed to verify external thread diameters with confidence. Ideal for engineers, machinists, quality inspectors, and maintenance teams, it provides quick, reliable checks to ensure parts meet metric fine threading specifications.

Specifically designed for right-handed, metric fine threads (M15 x 0.75) with a 4h designation, this NoGo gauge is built for durability in demanding work environments. Crafted from hardened steel, it offers wear resistance and long-lasting accuracy, while its straightforward design makes it easy to identify non-conforming components during routine quality checks.

• Accurate NoGo verification for Metric Fine threads: Quickly confirm that external thread diameters do not exceed the specified M15 x 0.75 size, helping you reject out-of-tolerance parts at a glance and keep production on spec.
• Rugged hardened steel construction: Built to endure daily workshop use, with wear-resistant surfaces and precision-ground edges that maintain accuracy over time.
• User-friendly, right-hand design: Designed for intuitive handling and fast setup, enabling quality checks with consistent results and reduced inspection downtime.

With the JBO NoGo ring gauge, inspections become faster and more dependable. It supports streamlined quality control, reduces rework, and ensures threaded connections consistently meet the required standards, helping you improve overall manufacturing efficiency and part reliability.