The JBO Thread Plug Gauge is a precision inspection tool for metric fine threads. This left-hand Go/No-Go gauge is sized for M14 x 0.5 and classified to 6H, delivering quick, reliable checks of threaded holes in production and maintenance environments.

Engineered for machinists, quality inspectors, and assembly technicians, it helps ensure components thread together cleanly every time.

• Go/No-Go quick verification: Enables fast pass/fail assessment of internal threads, reducing inspection time and guesswork on the shop floor.
• Hardened steel construction with knurled grip: Built to withstand daily use in demanding environments while providing a secure, non-slip handle for precise alignment.
• Precise M14 x 0.5 left-hand threads (6H compatibility): Specifically matched to the metric fine-thread standard, delivering consistent, reliable measurements for critical assemblies.

With the JBO Thread Plug Gauge, you improve workflow by delivering fast, confident thread verification, reducing rework and downtime, and helping you meet quality standards consistently. The durable construction and precise sizing ensure long-term reliability in busy workshops, making it a dependable staple in inspection and assembly processes.