The JBO Thread Plug Gauge (NoGo) - Metric Fine - Right Hand - 6H - M135 x 2 is a precision measuring tool designed to verify metric fine thread holes. It’s ideal for machinists, inspectors, and assembly professionals who need quick, reliable confirmation that threaded holes meet exact specifications.

Built for everyday use in busy workshops, this NoGo gauge combines precise metric fine-thread geometry with durable construction. Crafted from hardened steel, it resists wear and maintains accuracy over thousands of checks, while the knurled, right-hand grip ensures a secure, comfortable hold for fast, repeatable inspections even in tight spaces.

• Precise Metric Fine Thread compatibility: Engineered for M135 x 2 with a 6H tolerance, enabling quick, accurate hole verification and reducing guesswork in inspection routines.
• Rugged, wear‑resistant build: Hardened steel construction delivers long service life and consistent performance in demanding shop environments.
• Ergonomic, easy‑to‑use design: Right-hand orientation with a knurled grip supports smooth insertion and reliable no‑go checks in confined fixtures.

This gauge helps you streamline quality control, reduce rework, and ensure every threaded hole meets spec. By delivering clear pass/fail decisions with repeatable results, it supports faster production cycles and greater confidence across manufacturing, maintenance, and repair tasks.