The JBO Thread Plug Gauge is a UNEF go/no-go gauge designed to verify left-handed threaded holes and components to exact UNEF specifications. Sized for 9/16 x 24 threads and 2B tolerance, it provides a dependable reference for inspection across manufacturing, automotive, and aerospace environments.

With a quick-verify go/no-go design, it lets inspectors instantly confirm whether a thread passes or fails, helping reduce rework and ensure proper fitment. The gauge features a knurled body for secure handling and easy alignment, even in busy workshops.

• Go/No-Go End Design: Delivers fast, unambiguous pass/fail results, speeding quality checks and reducing guesswork.
• Left-Hand UNEF 9/16 x 24 (2B) Size: Specifically sized to validate left-hand UNEF threads and hole tolerances, helping maintain correct engagement and reducing remakes.
• Ergonomic, Dual-Ended Knurled Body: Two precise ends with a textured grip allow quick measurements from multiple angles and in cramped spaces, improving repeatability.

By providing reliable, clear thread verification, the JBO Thread Plug Gauge helps you streamline quality control, shorten inspection times, and ensure threaded parts meet UNEF standards before they move to assembly. It’s a dependable tool for professionals who need consistent, confident results in busy production and maintenance environments.